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Vulnerability details: VCID-bydt-bkf4-rbh2
Vulnerability ID VCID-bydt-bkf4-rbh2
Aliases CVE-2020-9546
GHSA-5p34-5m6p-p58g
Summary jackson-databind mishandles the interaction between serialization gadgets and typing FasterXML jackson-databind 2.x before 2.9.10.4 mishandles the interaction between serialization gadgets and typing, related to org.apache.hadoop.shaded.com.zaxxer.hikari.HikariConfig (aka shaded hikari-config).
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-502 Deserialization of Untrusted Data
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3 8.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-9546.json
epss 0.02327 https://api.first.org/data/v1/epss?cve=CVE-2020-9546
epss 0.02327 https://api.first.org/data/v1/epss?cve=CVE-2020-9546
epss 0.02327 https://api.first.org/data/v1/epss?cve=CVE-2020-9546
epss 0.02327 https://api.first.org/data/v1/epss?cve=CVE-2020-9546
epss 0.02327 https://api.first.org/data/v1/epss?cve=CVE-2020-9546
epss 0.02327 https://api.first.org/data/v1/epss?cve=CVE-2020-9546
epss 0.02327 https://api.first.org/data/v1/epss?cve=CVE-2020-9546
epss 0.02327 https://api.first.org/data/v1/epss?cve=CVE-2020-9546
epss 0.02327 https://api.first.org/data/v1/epss?cve=CVE-2020-9546
cvssv3.1_qr CRITICAL https://github.com/advisories/GHSA-5p34-5m6p-p58g
cvssv3.1 9.8 https://github.com/FasterXML/jackson-databind
generic_textual CRITICAL https://github.com/FasterXML/jackson-databind
cvssv3.1 9.8 https://github.com/FasterXML/jackson-databind/issues/2631
generic_textual CRITICAL https://github.com/FasterXML/jackson-databind/issues/2631
cvssv3.1 9.8 https://lists.apache.org/thread.html/r35d30db00440ef63b791c4b7f7acb036e14d4a23afa2a249cb66c0fd@%3Cissues.zookeeper.apache.org%3E
generic_textual CRITICAL https://lists.apache.org/thread.html/r35d30db00440ef63b791c4b7f7acb036e14d4a23afa2a249cb66c0fd@%3Cissues.zookeeper.apache.org%3E
cvssv3.1 9.8 https://lists.apache.org/thread.html/r893a0104e50c1c2559eb9a5812add28ae8c3e5f43712947a9847ec18@%3Cnotifications.zookeeper.apache.org%3E
generic_textual CRITICAL https://lists.apache.org/thread.html/r893a0104e50c1c2559eb9a5812add28ae8c3e5f43712947a9847ec18@%3Cnotifications.zookeeper.apache.org%3E
cvssv3.1 9.8 https://lists.apache.org/thread.html/r9464a40d25c3ba1a55622db72f113eb494a889656962d098c70c5bb1@%3Cdev.zookeeper.apache.org%3E
generic_textual CRITICAL https://lists.apache.org/thread.html/r9464a40d25c3ba1a55622db72f113eb494a889656962d098c70c5bb1@%3Cdev.zookeeper.apache.org%3E
cvssv3.1 9.8 https://lists.apache.org/thread.html/r98c9b6e4c9e17792e2cd1ec3e4aa20b61a791939046d3f10888176bb@%3Cissues.zookeeper.apache.org%3E
generic_textual CRITICAL https://lists.apache.org/thread.html/r98c9b6e4c9e17792e2cd1ec3e4aa20b61a791939046d3f10888176bb@%3Cissues.zookeeper.apache.org%3E
cvssv3.1 9.8 https://lists.apache.org/thread.html/rb6fecb5e96a6d61e175ff49f33f2713798dd05cf03067c169d195596@%3Cissues.zookeeper.apache.org%3E
generic_textual CRITICAL https://lists.apache.org/thread.html/rb6fecb5e96a6d61e175ff49f33f2713798dd05cf03067c169d195596@%3Cissues.zookeeper.apache.org%3E
cvssv3.1 9.8 https://lists.apache.org/thread.html/rd5a4457be4623038c3989294429bc063eec433a2e55995d81591e2ca@%3Cissues.zookeeper.apache.org%3E
generic_textual CRITICAL https://lists.apache.org/thread.html/rd5a4457be4623038c3989294429bc063eec433a2e55995d81591e2ca@%3Cissues.zookeeper.apache.org%3E
cvssv3.1 9.8 https://lists.apache.org/thread.html/rdd49ab9565bec436a896bc00c4b9fc9dce1598e106c318524fbdfec6@%3Cissues.zookeeper.apache.org%3E
generic_textual CRITICAL https://lists.apache.org/thread.html/rdd49ab9565bec436a896bc00c4b9fc9dce1598e106c318524fbdfec6@%3Cissues.zookeeper.apache.org%3E
cvssv3.1 9.8 https://lists.apache.org/thread.html/rdd4df698d5d8e635144d2994922bf0842e933809eae259521f3b5097@%3Cissues.zookeeper.apache.org%3E
generic_textual CRITICAL https://lists.apache.org/thread.html/rdd4df698d5d8e635144d2994922bf0842e933809eae259521f3b5097@%3Cissues.zookeeper.apache.org%3E
cvssv3.1 9.8 https://lists.apache.org/thread.html/rf1bbc0ea4a9f014cf94df9a12a6477d24a27f52741dbc87f2fd52ff2@%3Cissues.geode.apache.org%3E
generic_textual CRITICAL https://lists.apache.org/thread.html/rf1bbc0ea4a9f014cf94df9a12a6477d24a27f52741dbc87f2fd52ff2@%3Cissues.geode.apache.org%3E
cvssv3.1 9.8 https://lists.debian.org/debian-lts-announce/2020/03/msg00008.html
generic_textual CRITICAL https://lists.debian.org/debian-lts-announce/2020/03/msg00008.html
cvssv3.1 9.8 https://medium.com/@cowtowncoder/on-jackson-cves-dont-panic-here-is-what-you-need-to-know-54cd0d6e8062
generic_textual CRITICAL https://medium.com/@cowtowncoder/on-jackson-cves-dont-panic-here-is-what-you-need-to-know-54cd0d6e8062
cvssv3.1 9.8 https://nvd.nist.gov/vuln/detail/CVE-2020-9546
generic_textual CRITICAL https://nvd.nist.gov/vuln/detail/CVE-2020-9546
cvssv3.1 9.8 https://security.netapp.com/advisory/ntap-20200904-0006
generic_textual CRITICAL https://security.netapp.com/advisory/ntap-20200904-0006
cvssv3.1 9.8 https://www.oracle.com/security-alerts/cpujan2021.html
generic_textual CRITICAL https://www.oracle.com/security-alerts/cpujan2021.html
cvssv3.1 9.8 https://www.oracle.com/security-alerts/cpujul2020.html
generic_textual CRITICAL https://www.oracle.com/security-alerts/cpujul2020.html
cvssv3.1 9.8 https://www.oracle.com/security-alerts/cpuoct2020.html
generic_textual CRITICAL https://www.oracle.com/security-alerts/cpuoct2020.html
cvssv3.1 9.8 https://www.oracle.com/security-alerts/cpuoct2021.html
generic_textual CRITICAL https://www.oracle.com/security-alerts/cpuoct2021.html
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-9546.json
https://api.first.org/data/v1/epss?cve=CVE-2020-9546
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-9546
https://github.com/FasterXML/jackson-databind
https://github.com/FasterXML/jackson-databind/issues/2631
https://lists.apache.org/thread.html/r35d30db00440ef63b791c4b7f7acb036e14d4a23afa2a249cb66c0fd@%3Cissues.zookeeper.apache.org%3E
https://lists.apache.org/thread.html/r893a0104e50c1c2559eb9a5812add28ae8c3e5f43712947a9847ec18@%3Cnotifications.zookeeper.apache.org%3E
https://lists.apache.org/thread.html/r9464a40d25c3ba1a55622db72f113eb494a889656962d098c70c5bb1@%3Cdev.zookeeper.apache.org%3E
https://lists.apache.org/thread.html/r98c9b6e4c9e17792e2cd1ec3e4aa20b61a791939046d3f10888176bb@%3Cissues.zookeeper.apache.org%3E
https://lists.apache.org/thread.html/rb6fecb5e96a6d61e175ff49f33f2713798dd05cf03067c169d195596@%3Cissues.zookeeper.apache.org%3E
https://lists.apache.org/thread.html/rd5a4457be4623038c3989294429bc063eec433a2e55995d81591e2ca@%3Cissues.zookeeper.apache.org%3E
https://lists.apache.org/thread.html/rdd49ab9565bec436a896bc00c4b9fc9dce1598e106c318524fbdfec6@%3Cissues.zookeeper.apache.org%3E
https://lists.apache.org/thread.html/rdd4df698d5d8e635144d2994922bf0842e933809eae259521f3b5097@%3Cissues.zookeeper.apache.org%3E
https://lists.apache.org/thread.html/rf1bbc0ea4a9f014cf94df9a12a6477d24a27f52741dbc87f2fd52ff2@%3Cissues.geode.apache.org%3E
https://lists.debian.org/debian-lts-announce/2020/03/msg00008.html
https://medium.com/@cowtowncoder/on-jackson-cves-dont-panic-here-is-what-you-need-to-know-54cd0d6e8062
https://nvd.nist.gov/vuln/detail/CVE-2020-9546
https://security.netapp.com/advisory/ntap-20200904-0006
https://security.netapp.com/advisory/ntap-20200904-0006/
https://www.oracle.com/security-alerts/cpujan2021.html
https://www.oracle.com/security-alerts/cpujul2020.html
https://www.oracle.com/security-alerts/cpuoct2020.html
https://www.oracle.com/security-alerts/cpuoct2021.html
1816332 https://bugzilla.redhat.com/show_bug.cgi?id=1816332
GHSA-5p34-5m6p-p58g https://github.com/advisories/GHSA-5p34-5m6p-p58g
RHSA-2020:1644 https://access.redhat.com/errata/RHSA-2020:1644
RHSA-2020:2067 https://access.redhat.com/errata/RHSA-2020:2067
RHSA-2020:2511 https://access.redhat.com/errata/RHSA-2020:2511
RHSA-2020:2512 https://access.redhat.com/errata/RHSA-2020:2512
RHSA-2020:2513 https://access.redhat.com/errata/RHSA-2020:2513
RHSA-2020:2515 https://access.redhat.com/errata/RHSA-2020:2515
RHSA-2020:2813 https://access.redhat.com/errata/RHSA-2020:2813
RHSA-2020:3192 https://access.redhat.com/errata/RHSA-2020:3192
RHSA-2020:3196 https://access.redhat.com/errata/RHSA-2020:3196
RHSA-2020:3197 https://access.redhat.com/errata/RHSA-2020:3197
RHSA-2020:3779 https://access.redhat.com/errata/RHSA-2020:3779
RHSA-2020:4366 https://access.redhat.com/errata/RHSA-2020:4366
RHSA-2025:1746 https://access.redhat.com/errata/RHSA-2025:1746
USN-USN-4813-1 https://usn.ubuntu.com/USN-4813-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-9546.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/FasterXML/jackson-databind
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/FasterXML/jackson-databind/issues/2631
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://lists.apache.org/thread.html/r35d30db00440ef63b791c4b7f7acb036e14d4a23afa2a249cb66c0fd@%3Cissues.zookeeper.apache.org%3E
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://lists.apache.org/thread.html/r893a0104e50c1c2559eb9a5812add28ae8c3e5f43712947a9847ec18@%3Cnotifications.zookeeper.apache.org%3E
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://lists.apache.org/thread.html/r9464a40d25c3ba1a55622db72f113eb494a889656962d098c70c5bb1@%3Cdev.zookeeper.apache.org%3E
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://lists.apache.org/thread.html/r98c9b6e4c9e17792e2cd1ec3e4aa20b61a791939046d3f10888176bb@%3Cissues.zookeeper.apache.org%3E
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://lists.apache.org/thread.html/rb6fecb5e96a6d61e175ff49f33f2713798dd05cf03067c169d195596@%3Cissues.zookeeper.apache.org%3E
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://lists.apache.org/thread.html/rd5a4457be4623038c3989294429bc063eec433a2e55995d81591e2ca@%3Cissues.zookeeper.apache.org%3E
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://lists.apache.org/thread.html/rdd49ab9565bec436a896bc00c4b9fc9dce1598e106c318524fbdfec6@%3Cissues.zookeeper.apache.org%3E
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://lists.apache.org/thread.html/rdd4df698d5d8e635144d2994922bf0842e933809eae259521f3b5097@%3Cissues.zookeeper.apache.org%3E
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://lists.apache.org/thread.html/rf1bbc0ea4a9f014cf94df9a12a6477d24a27f52741dbc87f2fd52ff2@%3Cissues.geode.apache.org%3E
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://lists.debian.org/debian-lts-announce/2020/03/msg00008.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://medium.com/@cowtowncoder/on-jackson-cves-dont-panic-here-is-what-you-need-to-know-54cd0d6e8062
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-9546
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://security.netapp.com/advisory/ntap-20200904-0006
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://www.oracle.com/security-alerts/cpujan2021.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://www.oracle.com/security-alerts/cpujul2020.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://www.oracle.com/security-alerts/cpuoct2020.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://www.oracle.com/security-alerts/cpuoct2021.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Exploit Prediction Scoring System (EPSS)
Percentile 0.84746
EPSS Score 0.02327
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:59:30.930865+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2020/04/GHSA-5p34-5m6p-p58g/GHSA-5p34-5m6p-p58g.json 38.0.0