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Vulnerability details: VCID-tdfp-krep-5ffe
Vulnerability ID VCID-tdfp-krep-5ffe
Aliases CVE-2021-27568
GHSA-v528-7hrm-frqp
Summary Improper Check for Unusual or Exceptional Conditions in json-smart An issue was discovered in netplex json-smart-v1 through 2015-10-23 and json-smart-v2 through 2.4. An exception is thrown from a function, but it is not caught, as demonstrated by NumberFormatException. When it is not caught, it may cause programs using the library to crash or expose sensitive information.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-754 Improper Check for Unusual or Exceptional Conditions
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
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 5.9 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-27568.json
epss 0.00623 https://api.first.org/data/v1/epss?cve=CVE-2021-27568
epss 0.00637 https://api.first.org/data/v1/epss?cve=CVE-2021-27568
epss 0.00647 https://api.first.org/data/v1/epss?cve=CVE-2021-27568
epss 0.00647 https://api.first.org/data/v1/epss?cve=CVE-2021-27568
epss 0.00647 https://api.first.org/data/v1/epss?cve=CVE-2021-27568
epss 0.00647 https://api.first.org/data/v1/epss?cve=CVE-2021-27568
epss 0.00647 https://api.first.org/data/v1/epss?cve=CVE-2021-27568
epss 0.00647 https://api.first.org/data/v1/epss?cve=CVE-2021-27568
epss 0.00647 https://api.first.org/data/v1/epss?cve=CVE-2021-27568
epss 0.00647 https://api.first.org/data/v1/epss?cve=CVE-2021-27568
epss 0.00647 https://api.first.org/data/v1/epss?cve=CVE-2021-27568
epss 0.00647 https://api.first.org/data/v1/epss?cve=CVE-2021-27568
epss 0.00647 https://api.first.org/data/v1/epss?cve=CVE-2021-27568
epss 0.00647 https://api.first.org/data/v1/epss?cve=CVE-2021-27568
epss 0.00647 https://api.first.org/data/v1/epss?cve=CVE-2021-27568
epss 0.00647 https://api.first.org/data/v1/epss?cve=CVE-2021-27568
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-v528-7hrm-frqp
cvssv3.1 5.9 https://github.com/netplex/json-smart-v1/commit/768db58ee0e3e344fcdb574b7629765308a1d0af
generic_textual MODERATE https://github.com/netplex/json-smart-v1/commit/768db58ee0e3e344fcdb574b7629765308a1d0af
cvssv3.1 5.9 https://github.com/netplex/json-smart-v1/issues/7
generic_textual MODERATE https://github.com/netplex/json-smart-v1/issues/7
cvssv3.1 5.9 https://github.com/netplex/json-smart-v2
generic_textual MODERATE https://github.com/netplex/json-smart-v2
cvssv3.1 5.9 https://github.com/netplex/json-smart-v2/issues/60
generic_textual MODERATE https://github.com/netplex/json-smart-v2/issues/60
cvssv3.1 5.9 https://github.com/netplex/json-smart-v2/issues/62
generic_textual MODERATE https://github.com/netplex/json-smart-v2/issues/62
cvssv3.1 5.9 https://github.com/netplex/json-smart-v2/pull/72
generic_textual MODERATE https://github.com/netplex/json-smart-v2/pull/72
cvssv3.1 5.9 https://lists.apache.org/thread.html/rb6287f5aa628c8d9af52b5401ec6cc51b6fc28ab20d318943453e396@%3Ccommits.druid.apache.org%3E
generic_textual MODERATE https://lists.apache.org/thread.html/rb6287f5aa628c8d9af52b5401ec6cc51b6fc28ab20d318943453e396@%3Ccommits.druid.apache.org%3E
cvssv3.1 5.9 https://lists.apache.org/thread.html/re237267da268c690df5e1c6ea6a38a7fc11617725e8049490f58a6fa@%3Ccommits.druid.apache.org%3E
generic_textual MODERATE https://lists.apache.org/thread.html/re237267da268c690df5e1c6ea6a38a7fc11617725e8049490f58a6fa@%3Ccommits.druid.apache.org%3E
cvssv3.1 5.9 https://lists.apache.org/thread.html/rf70210b4d63191c0bfb2a0d5745e104484e71703bf5ad9cb01c980c6@%3Ccommits.druid.apache.org%3E
generic_textual MODERATE https://lists.apache.org/thread.html/rf70210b4d63191c0bfb2a0d5745e104484e71703bf5ad9cb01c980c6@%3Ccommits.druid.apache.org%3E
cvssv3.1 5.9 https://nvd.nist.gov/vuln/detail/CVE-2021-27568
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2021-27568
cvssv3.1 5.9 https://www.oracle.com/security-alerts/cpuapr2022.html
generic_textual MODERATE https://www.oracle.com/security-alerts/cpuapr2022.html
cvssv3.1 5.9 https://www.oracle.com/security-alerts/cpujan2022.html
generic_textual MODERATE https://www.oracle.com/security-alerts/cpujan2022.html
cvssv3.1 5.9 https://www.oracle.com//security-alerts/cpujul2021.html
generic_textual MODERATE https://www.oracle.com//security-alerts/cpujul2021.html
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-27568.json
https://api.first.org/data/v1/epss?cve=CVE-2021-27568
https://github.com/netplex/json-smart-v1/commit/768db58ee0e3e344fcdb574b7629765308a1d0af
https://github.com/netplex/json-smart-v1/issues/7
https://github.com/netplex/json-smart-v2
https://github.com/netplex/json-smart-v2/issues/60
https://github.com/netplex/json-smart-v2/issues/62
https://github.com/netplex/json-smart-v2/pull/72
https://lists.apache.org/thread.html/rb6287f5aa628c8d9af52b5401ec6cc51b6fc28ab20d318943453e396@%3Ccommits.druid.apache.org%3E
https://lists.apache.org/thread.html/re237267da268c690df5e1c6ea6a38a7fc11617725e8049490f58a6fa@%3Ccommits.druid.apache.org%3E
https://lists.apache.org/thread.html/rf70210b4d63191c0bfb2a0d5745e104484e71703bf5ad9cb01c980c6@%3Ccommits.druid.apache.org%3E
https://nvd.nist.gov/vuln/detail/CVE-2021-27568
https://www.oracle.com/security-alerts/cpuapr2022.html
https://www.oracle.com/security-alerts/cpujan2022.html
https://www.oracle.com//security-alerts/cpujul2021.html
1939839 https://bugzilla.redhat.com/show_bug.cgi?id=1939839
GHSA-v528-7hrm-frqp https://github.com/advisories/GHSA-v528-7hrm-frqp
RHSA-2021:3225 https://access.redhat.com/errata/RHSA-2021:3225
RHSA-2021:4767 https://access.redhat.com/errata/RHSA-2021:4767
RHSA-2021:4918 https://access.redhat.com/errata/RHSA-2021:4918
RHSA-2021:5134 https://access.redhat.com/errata/RHSA-2021:5134
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-27568.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:H/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/netplex/json-smart-v1/commit/768db58ee0e3e344fcdb574b7629765308a1d0af
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:N/I:N/A:H Found at https://github.com/netplex/json-smart-v1/issues/7
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:N/I:N/A:H Found at https://github.com/netplex/json-smart-v2
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:N/I:N/A:H Found at https://github.com/netplex/json-smart-v2/issues/60
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:N/I:N/A:H Found at https://github.com/netplex/json-smart-v2/issues/62
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:N/I:N/A:H Found at https://github.com/netplex/json-smart-v2/pull/72
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:N/I:N/A:H Found at https://lists.apache.org/thread.html/rb6287f5aa628c8d9af52b5401ec6cc51b6fc28ab20d318943453e396@%3Ccommits.druid.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)

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:N/I:N/A:H Found at https://lists.apache.org/thread.html/re237267da268c690df5e1c6ea6a38a7fc11617725e8049490f58a6fa@%3Ccommits.druid.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)

network

adjacent_network

local

physical

low

high

none

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required

unchanged

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Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://lists.apache.org/thread.html/rf70210b4d63191c0bfb2a0d5745e104484e71703bf5ad9cb01c980c6@%3Ccommits.druid.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)

network

adjacent_network

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Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2021-27568
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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Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/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

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physical

low

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Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/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

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Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/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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Exploit Prediction Scoring System (EPSS)
Percentile 0.70193
EPSS Score 0.00623
Published At May 5, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:02:20.894069+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/06/GHSA-v528-7hrm-frqp/GHSA-v528-7hrm-frqp.json 38.0.0