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Vulnerability details: VCID-bqav-d2f9-x7d1
Vulnerability ID VCID-bqav-d2f9-x7d1
Aliases CVE-2021-2161
Summary Multiple vulnerabilities have been found in OpenJDK, the worst of which could result in denial of service.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
System Score Found at
cvssv3 5.9 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-2161.json
epss 0.01404 https://api.first.org/data/v1/epss?cve=CVE-2021-2161
epss 0.01404 https://api.first.org/data/v1/epss?cve=CVE-2021-2161
epss 0.01404 https://api.first.org/data/v1/epss?cve=CVE-2021-2161
epss 0.01404 https://api.first.org/data/v1/epss?cve=CVE-2021-2161
epss 0.01404 https://api.first.org/data/v1/epss?cve=CVE-2021-2161
epss 0.01404 https://api.first.org/data/v1/epss?cve=CVE-2021-2161
epss 0.01404 https://api.first.org/data/v1/epss?cve=CVE-2021-2161
epss 0.01404 https://api.first.org/data/v1/epss?cve=CVE-2021-2161
epss 0.01404 https://api.first.org/data/v1/epss?cve=CVE-2021-2161
cvssv3.1 5.9 https://docs.azul.com/core/zulu-openjdk/release-notes/april-2021.html#fixed-common-vulnerabilities-and-exposures
ssvc Track https://docs.azul.com/core/zulu-openjdk/release-notes/april-2021.html#fixed-common-vulnerabilities-and-exposures
cvssv3.1 5.9 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 5.9 https://kc.mcafee.com/corporate/index?page=content&id=SB10366
ssvc Track https://kc.mcafee.com/corporate/index?page=content&id=SB10366
cvssv3.1 5.9 https://lists.debian.org/debian-lts-announce/2021/04/msg00021.html
ssvc Track https://lists.debian.org/debian-lts-announce/2021/04/msg00021.html
cvssv3.1 5.9 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5ACX4JEVYH6H4PSMGMYWTGABPOFPH3TS/
ssvc Track https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5ACX4JEVYH6H4PSMGMYWTGABPOFPH3TS/
cvssv3.1 5.9 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CFXOKM2233JVGYDOWW77BN54X3GZTIBK/
ssvc Track https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CFXOKM2233JVGYDOWW77BN54X3GZTIBK/
cvssv3.1 5.9 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CG7EWXSO6JUCVHP7R3SOZQ7WPNBOISJH/
ssvc Track https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CG7EWXSO6JUCVHP7R3SOZQ7WPNBOISJH/
cvssv3.1 5.9 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MAULPCQFLAMBJIS27YLNNX6IHRFJMVP4/
ssvc Track https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MAULPCQFLAMBJIS27YLNNX6IHRFJMVP4/
cvssv3.1 5.9 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MVDY4T5XMSYDQT6RRKPMRCV4MVGS7KXF/
ssvc Track https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MVDY4T5XMSYDQT6RRKPMRCV4MVGS7KXF/
cvssv3.1 5.9 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UD3JEP4HPLK7MNZHVUMKIJPBP74M3A2V/
ssvc Track https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UD3JEP4HPLK7MNZHVUMKIJPBP74M3A2V/
archlinux Medium https://security.archlinux.org/AVG-1865
archlinux Medium https://security.archlinux.org/AVG-1866
archlinux Medium https://security.archlinux.org/AVG-1867
cvssv3.1 5.9 https://security.gentoo.org/glsa/202209-05
ssvc Track https://security.gentoo.org/glsa/202209-05
cvssv3.1 5.9 https://security.netapp.com/advisory/ntap-20210513-0001/
ssvc Track https://security.netapp.com/advisory/ntap-20210513-0001/
cvssv3.1 5.9 https://www.debian.org/security/2021/dsa-4899
ssvc Track https://www.debian.org/security/2021/dsa-4899
cvssv3.1 5.9 https://www.oracle.com/security-alerts/cpuapr2021.html
ssvc Track https://www.oracle.com/security-alerts/cpuapr2021.html
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-2161.json
https://api.first.org/data/v1/epss?cve=CVE-2021-2161
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
1951231 https://bugzilla.redhat.com/show_bug.cgi?id=1951231
5ACX4JEVYH6H4PSMGMYWTGABPOFPH3TS https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5ACX4JEVYH6H4PSMGMYWTGABPOFPH3TS/
april-2021.html#fixed-common-vulnerabilities-and-exposures https://docs.azul.com/core/zulu-openjdk/release-notes/april-2021.html#fixed-common-vulnerabilities-and-exposures
AVG-1865 https://security.archlinux.org/AVG-1865
AVG-1866 https://security.archlinux.org/AVG-1866
AVG-1867 https://security.archlinux.org/AVG-1867
CFXOKM2233JVGYDOWW77BN54X3GZTIBK https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CFXOKM2233JVGYDOWW77BN54X3GZTIBK/
CG7EWXSO6JUCVHP7R3SOZQ7WPNBOISJH https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CG7EWXSO6JUCVHP7R3SOZQ7WPNBOISJH/
dsa-4899 https://www.debian.org/security/2021/dsa-4899
GLSA-202209-05 https://security.gentoo.org/glsa/202209-05
MAULPCQFLAMBJIS27YLNNX6IHRFJMVP4 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MAULPCQFLAMBJIS27YLNNX6IHRFJMVP4/
msg00021.html https://lists.debian.org/debian-lts-announce/2021/04/msg00021.html
MVDY4T5XMSYDQT6RRKPMRCV4MVGS7KXF https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MVDY4T5XMSYDQT6RRKPMRCV4MVGS7KXF/
ntap-20210513-0001 https://security.netapp.com/advisory/ntap-20210513-0001/
RHSA-2021:1445 https://access.redhat.com/errata/RHSA-2021:1445
RHSA-2021:1447 https://access.redhat.com/errata/RHSA-2021:1447
UD3JEP4HPLK7MNZHVUMKIJPBP74M3A2V https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UD3JEP4HPLK7MNZHVUMKIJPBP74M3A2V/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-2161.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:H/A:N Found at https://docs.azul.com/core/zulu-openjdk/release-notes/april-2021.html#fixed-common-vulnerabilities-and-exposures
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-09-26T14:44:10Z/ Found at https://docs.azul.com/core/zulu-openjdk/release-notes/april-2021.html#fixed-common-vulnerabilities-and-exposures
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
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:H/A:N Found at https://kc.mcafee.com/corporate/index?page=content&id=SB10366
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-09-26T14:44:10Z/ Found at https://kc.mcafee.com/corporate/index?page=content&id=SB10366
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://lists.debian.org/debian-lts-announce/2021/04/msg00021.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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-09-26T14:44:10Z/ Found at https://lists.debian.org/debian-lts-announce/2021/04/msg00021.html
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5ACX4JEVYH6H4PSMGMYWTGABPOFPH3TS/
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-09-26T14:44:10Z/ Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5ACX4JEVYH6H4PSMGMYWTGABPOFPH3TS/
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CFXOKM2233JVGYDOWW77BN54X3GZTIBK/
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-09-26T14:44:10Z/ Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CFXOKM2233JVGYDOWW77BN54X3GZTIBK/
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CG7EWXSO6JUCVHP7R3SOZQ7WPNBOISJH/
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-09-26T14:44:10Z/ Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CG7EWXSO6JUCVHP7R3SOZQ7WPNBOISJH/
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MAULPCQFLAMBJIS27YLNNX6IHRFJMVP4/
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-09-26T14:44:10Z/ Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MAULPCQFLAMBJIS27YLNNX6IHRFJMVP4/
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MVDY4T5XMSYDQT6RRKPMRCV4MVGS7KXF/
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-09-26T14:44:10Z/ Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MVDY4T5XMSYDQT6RRKPMRCV4MVGS7KXF/
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UD3JEP4HPLK7MNZHVUMKIJPBP74M3A2V/
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-09-26T14:44:10Z/ Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UD3JEP4HPLK7MNZHVUMKIJPBP74M3A2V/
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://security.gentoo.org/glsa/202209-05
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-09-26T14:44:10Z/ Found at https://security.gentoo.org/glsa/202209-05
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://security.netapp.com/advisory/ntap-20210513-0001/
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-09-26T14:44:10Z/ Found at https://security.netapp.com/advisory/ntap-20210513-0001/
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://www.debian.org/security/2021/dsa-4899
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-09-26T14:44:10Z/ Found at https://www.debian.org/security/2021/dsa-4899
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N 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)

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-09-26T14:44:10Z/ Found at https://www.oracle.com/security-alerts/cpuapr2021.html
Exploit Prediction Scoring System (EPSS)
Percentile 0.80398
EPSS Score 0.01404
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:00:37.401208+00:00 Gentoo Importer Import https://security.gentoo.org/glsa/202209-05 38.0.0