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Vulnerability details: VCID-swqd-uk56-wkat
Vulnerability ID VCID-swqd-uk56-wkat
Aliases CVE-2020-35491
GHSA-r3gr-cxrf-hg25
Summary Serialization gadgets exploit in jackson-databind FasterXML jackson-databind 2.x before 2.9.10.8 mishandles the interaction between serialization gadgets and typing, related to org.apache.commons.dbcp2.datasources.SharedPoolDataSource.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (5)
CWE-502 Deserialization of Untrusted Data
CWE-913 Improper Control of Dynamically-Managed Code Resources
CWE-96 Improper Neutralization of Directives in Statically Saved Code ('Static Code Injection')
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-2020-35491.json
epss 0.05713 https://api.first.org/data/v1/epss?cve=CVE-2020-35491
epss 0.05713 https://api.first.org/data/v1/epss?cve=CVE-2020-35491
epss 0.05713 https://api.first.org/data/v1/epss?cve=CVE-2020-35491
epss 0.05713 https://api.first.org/data/v1/epss?cve=CVE-2020-35491
epss 0.05713 https://api.first.org/data/v1/epss?cve=CVE-2020-35491
epss 0.05713 https://api.first.org/data/v1/epss?cve=CVE-2020-35491
epss 0.05713 https://api.first.org/data/v1/epss?cve=CVE-2020-35491
epss 0.05713 https://api.first.org/data/v1/epss?cve=CVE-2020-35491
cvssv3.1 8.1 https://cowtowncoder.medium.com/on-jackson-cves-dont-panic-here-is-what-you-need-to-know-54cd0d6e8062
generic_textual HIGH https://cowtowncoder.medium.com/on-jackson-cves-dont-panic-here-is-what-you-need-to-know-54cd0d6e8062
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-r3gr-cxrf-hg25
cvssv3.1 8.1 https://github.com/FasterXML/jackson-databind
generic_textual HIGH https://github.com/FasterXML/jackson-databind
cvssv3.1 8.1 https://github.com/FasterXML/jackson-databind/commit/41b8bdb5ccc1d8edb71acf1c8234da235a24249d
generic_textual HIGH https://github.com/FasterXML/jackson-databind/commit/41b8bdb5ccc1d8edb71acf1c8234da235a24249d
cvssv3.1 8.1 https://github.com/FasterXML/jackson-databind/issues/2986
generic_textual HIGH https://github.com/FasterXML/jackson-databind/issues/2986
cvssv3.1 8.1 https://lists.debian.org/debian-lts-announce/2021/04/msg00025.html
generic_textual HIGH https://lists.debian.org/debian-lts-announce/2021/04/msg00025.html
cvssv3.1 8.1 https://nvd.nist.gov/vuln/detail/CVE-2020-35491
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2020-35491
cvssv3.1 8.1 https://security.netapp.com/advisory/ntap-20210122-0005
generic_textual HIGH https://security.netapp.com/advisory/ntap-20210122-0005
cvssv3.1 8.1 https://www.oracle.com/security-alerts/cpuApr2021.html
generic_textual HIGH https://www.oracle.com/security-alerts/cpuApr2021.html
cvssv3.1 8.1 https://www.oracle.com/security-alerts/cpuapr2022.html
generic_textual HIGH https://www.oracle.com/security-alerts/cpuapr2022.html
cvssv3.1 8.1 https://www.oracle.com/security-alerts/cpujan2022.html
generic_textual HIGH https://www.oracle.com/security-alerts/cpujan2022.html
cvssv3.1 8.1 https://www.oracle.com//security-alerts/cpujul2021.html
generic_textual HIGH https://www.oracle.com//security-alerts/cpujul2021.html
cvssv3.1 8.1 https://www.oracle.com/security-alerts/cpujul2022.html
generic_textual HIGH https://www.oracle.com/security-alerts/cpujul2022.html
cvssv3.1 8.1 https://www.oracle.com/security-alerts/cpuoct2021.html
generic_textual HIGH https://www.oracle.com/security-alerts/cpuoct2021.html
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-35491.json
https://api.first.org/data/v1/epss?cve=CVE-2020-35491
https://cowtowncoder.medium.com/on-jackson-cves-dont-panic-here-is-what-you-need-to-know-54cd0d6e8062
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-35491
https://github.com/FasterXML/jackson-databind
https://github.com/FasterXML/jackson-databind/commit/41b8bdb5ccc1d8edb71acf1c8234da235a24249d
https://github.com/FasterXML/jackson-databind/issues/2986
https://lists.debian.org/debian-lts-announce/2021/04/msg00025.html
https://nvd.nist.gov/vuln/detail/CVE-2020-35491
https://security.netapp.com/advisory/ntap-20210122-0005
https://www.oracle.com/security-alerts/cpuApr2021.html
https://www.oracle.com/security-alerts/cpuapr2022.html
https://www.oracle.com/security-alerts/cpujan2022.html
https://www.oracle.com//security-alerts/cpujul2021.html
https://www.oracle.com/security-alerts/cpujul2022.html
https://www.oracle.com/security-alerts/cpuoct2021.html
1909269 https://bugzilla.redhat.com/show_bug.cgi?id=1909269
GHSA-r3gr-cxrf-hg25 https://github.com/advisories/GHSA-r3gr-cxrf-hg25
RHSA-2021:1230 https://access.redhat.com/errata/RHSA-2021:1230
RHSA-2021:1515 https://access.redhat.com/errata/RHSA-2021:1515
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-2020-35491.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

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Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://cowtowncoder.medium.com/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:H/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:H/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/FasterXML/jackson-databind/commit/41b8bdb5ccc1d8edb71acf1c8234da235a24249d
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

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Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/FasterXML/jackson-databind/issues/2986
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

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Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://lists.debian.org/debian-lts-announce/2021/04/msg00025.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

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Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-35491
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

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Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://security.netapp.com/advisory/ntap-20210122-0005
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

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Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://www.oracle.com/security-alerts/cpuApr2021.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

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Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://www.oracle.com/security-alerts/cpuapr2022.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

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Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://www.oracle.com/security-alerts/cpujan2022.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

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Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://www.oracle.com//security-alerts/cpujul2021.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

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Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://www.oracle.com/security-alerts/cpujul2022.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

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Vector: CVSS:3.1/AV:N/AC:H/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)

network

adjacent_network

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physical

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Exploit Prediction Scoring System (EPSS)
Percentile 0.90386
EPSS Score 0.05713
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:01:07.327889+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/12/GHSA-r3gr-cxrf-hg25/GHSA-r3gr-cxrf-hg25.json 38.0.0