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Vulnerability details: VCID-ggt7-eejg-xfb6
Vulnerability ID VCID-ggt7-eejg-xfb6
Aliases CVE-2021-22876
Summary Multiple vulnerabilities have been found in cURL, the worst of which could result in the arbitrary execution of code.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
CWE-359 Exposure of Private Personal 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 3.7 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-22876.json
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-22876
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-22876
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-22876
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-22876
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-22876
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-22876
epss 0.00068 https://api.first.org/data/v1/epss?cve=CVE-2021-22876
epss 0.00115 https://api.first.org/data/v1/epss?cve=CVE-2021-22876
epss 0.00115 https://api.first.org/data/v1/epss?cve=CVE-2021-22876
cvssv3.1 5.3 https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
ssvc Track https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
cvssv3.1 5.3 https://curl.se/docs/CVE-2021-22876.html
cvssv3.1 Low https://curl.se/docs/CVE-2021-22876.html
ssvc Track https://curl.se/docs/CVE-2021-22876.html
cvssv3.1 6.1 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 5.3 https://hackerone.com/reports/1101882
ssvc Track https://hackerone.com/reports/1101882
cvssv3.1 5.3 https://lists.debian.org/debian-lts-announce/2021/05/msg00019.html
ssvc Track https://lists.debian.org/debian-lts-announce/2021/05/msg00019.html
cvssv3.1 5.3 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2ZC5BMIOKLBQJSFCHEDN2G2C2SH274BP/
ssvc Track https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2ZC5BMIOKLBQJSFCHEDN2G2C2SH274BP/
cvssv3.1 5.3 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ITVWPVGLFISU5BJC2BXBRYSDXTXE2YGC/
ssvc Track https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ITVWPVGLFISU5BJC2BXBRYSDXTXE2YGC/
cvssv3.1 5.3 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KQUIOYX2KUU6FIUZVB5WWZ6JHSSYSQWJ/
ssvc Track https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KQUIOYX2KUU6FIUZVB5WWZ6JHSSYSQWJ/
archlinux High https://security.archlinux.org/AVG-1753
archlinux High https://security.archlinux.org/AVG-1754
archlinux High https://security.archlinux.org/AVG-1755
archlinux High https://security.archlinux.org/AVG-1756
archlinux Medium https://security.archlinux.org/AVG-1757
archlinux Medium https://security.archlinux.org/AVG-1758
cvssv3.1 5.3 https://security.gentoo.org/glsa/202105-36
ssvc Track https://security.gentoo.org/glsa/202105-36
cvssv3.1 5.3 https://security.netapp.com/advisory/ntap-20210521-0007/
ssvc Track https://security.netapp.com/advisory/ntap-20210521-0007/
cvssv3.1 5.3 https://www.oracle.com//security-alerts/cpujul2021.html
ssvc Track https://www.oracle.com//security-alerts/cpujul2021.html
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-22876.json
https://api.first.org/data/v1/epss?cve=CVE-2021-22876
https://curl.se/docs/CVE-2021-22876.html
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8169
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8177
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8231
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8284
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8285
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8286
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22876
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22890
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://hackerone.com/reports/1101882
1941964 https://bugzilla.redhat.com/show_bug.cgi?id=1941964
2ZC5BMIOKLBQJSFCHEDN2G2C2SH274BP https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2ZC5BMIOKLBQJSFCHEDN2G2C2SH274BP/
986269 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=986269
AVG-1753 https://security.archlinux.org/AVG-1753
AVG-1754 https://security.archlinux.org/AVG-1754
AVG-1755 https://security.archlinux.org/AVG-1755
AVG-1756 https://security.archlinux.org/AVG-1756
AVG-1757 https://security.archlinux.org/AVG-1757
AVG-1758 https://security.archlinux.org/AVG-1758
CVE-2021-22876 https://nvd.nist.gov/vuln/detail/CVE-2021-22876
GLSA-202105-36 https://security.gentoo.org/glsa/202105-36
ITVWPVGLFISU5BJC2BXBRYSDXTXE2YGC https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ITVWPVGLFISU5BJC2BXBRYSDXTXE2YGC/
KQUIOYX2KUU6FIUZVB5WWZ6JHSSYSQWJ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KQUIOYX2KUU6FIUZVB5WWZ6JHSSYSQWJ/
msg00019.html https://lists.debian.org/debian-lts-announce/2021/05/msg00019.html
ntap-20210521-0007 https://security.netapp.com/advisory/ntap-20210521-0007/
RHSA-2021:2471 https://access.redhat.com/errata/RHSA-2021:2471
RHSA-2021:2472 https://access.redhat.com/errata/RHSA-2021:2472
RHSA-2021:4511 https://access.redhat.com/errata/RHSA-2021:4511
RHSA-2022:1354 https://access.redhat.com/errata/RHSA-2022:1354
USN-4898-1 https://usn.ubuntu.com/4898-1/
USN-4903-1 https://usn.ubuntu.com/4903-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-22876.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:L/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
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: SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2025-06-09T14:54:20Z/ Found at https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://curl.se/docs/CVE-2021-22876.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

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Vector: SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2025-06-09T14:54:20Z/ Found at https://curl.se/docs/CVE-2021-22876.html
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/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)

network

adjacent_network

local

physical

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://hackerone.com/reports/1101882
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: SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2025-06-09T14:54:20Z/ Found at https://hackerone.com/reports/1101882
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://lists.debian.org/debian-lts-announce/2021/05/msg00019.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: SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2025-06-09T14:54:20Z/ Found at https://lists.debian.org/debian-lts-announce/2021/05/msg00019.html
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2ZC5BMIOKLBQJSFCHEDN2G2C2SH274BP/
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: SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2025-06-09T14:54:20Z/ Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2ZC5BMIOKLBQJSFCHEDN2G2C2SH274BP/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ITVWPVGLFISU5BJC2BXBRYSDXTXE2YGC/
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: SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2025-06-09T14:54:20Z/ Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ITVWPVGLFISU5BJC2BXBRYSDXTXE2YGC/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KQUIOYX2KUU6FIUZVB5WWZ6JHSSYSQWJ/
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: SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2025-06-09T14:54:20Z/ Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KQUIOYX2KUU6FIUZVB5WWZ6JHSSYSQWJ/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://security.gentoo.org/glsa/202105-36
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

low

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required

unchanged

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high

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Vector: SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2025-06-09T14:54:20Z/ Found at https://security.gentoo.org/glsa/202105-36
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://security.netapp.com/advisory/ntap-20210521-0007/
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

low

high

none

required

unchanged

changed

high

low

none

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low

none

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Vector: SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2025-06-09T14:54:20Z/ Found at https://security.netapp.com/advisory/ntap-20210521-0007/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N 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

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2025-06-09T14:54:20Z/ Found at https://www.oracle.com//security-alerts/cpujul2021.html
Exploit Prediction Scoring System (EPSS)
Percentile 0.20928
EPSS Score 0.00068
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:14:25.569013+00:00 Gentoo Importer Import https://security.gentoo.org/glsa/202105-36 38.0.0