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Vulnerability details: VCID-53xm-8w84-93cx
Vulnerability ID VCID-53xm-8w84-93cx
Aliases CVE-2021-22930
Summary Multiple vulnerabilities have been found in c-ares, the worst of which could result in the loss of confidentiality or integrity.
Status Published
Exploitability 0.5
Weighted Severity 8.8
Risk 4.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-416 Use After Free
System Score Found at
cvssv3 9.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-22930.json
epss 0.00323 https://api.first.org/data/v1/epss?cve=CVE-2021-22930
epss 0.00323 https://api.first.org/data/v1/epss?cve=CVE-2021-22930
epss 0.00323 https://api.first.org/data/v1/epss?cve=CVE-2021-22930
epss 0.00323 https://api.first.org/data/v1/epss?cve=CVE-2021-22930
epss 0.00323 https://api.first.org/data/v1/epss?cve=CVE-2021-22930
epss 0.00323 https://api.first.org/data/v1/epss?cve=CVE-2021-22930
epss 0.00323 https://api.first.org/data/v1/epss?cve=CVE-2021-22930
epss 0.00323 https://api.first.org/data/v1/epss?cve=CVE-2021-22930
epss 0.00323 https://api.first.org/data/v1/epss?cve=CVE-2021-22930
epss 0.00323 https://api.first.org/data/v1/epss?cve=CVE-2021-22930
epss 0.00323 https://api.first.org/data/v1/epss?cve=CVE-2021-22930
epss 0.00323 https://api.first.org/data/v1/epss?cve=CVE-2021-22930
epss 0.00323 https://api.first.org/data/v1/epss?cve=CVE-2021-22930
epss 0.00323 https://api.first.org/data/v1/epss?cve=CVE-2021-22930
epss 0.00323 https://api.first.org/data/v1/epss?cve=CVE-2021-22930
cvssv3.1 9.1 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
archlinux High https://security.archlinux.org/AVG-2239
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-22930.json
https://api.first.org/data/v1/epss?cve=CVE-2021-22930
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22930
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
1988394 https://bugzilla.redhat.com/show_bug.cgi?id=1988394
ASA-202108-1 https://security.archlinux.org/ASA-202108-1
AVG-2239 https://security.archlinux.org/AVG-2239
GLSA-202401-02 https://security.gentoo.org/glsa/202401-02
GLSA-202405-29 https://security.gentoo.org/glsa/202405-29
RHSA-2021:3280 https://access.redhat.com/errata/RHSA-2021:3280
RHSA-2021:3281 https://access.redhat.com/errata/RHSA-2021:3281
RHSA-2021:3623 https://access.redhat.com/errata/RHSA-2021:3623
RHSA-2021:3638 https://access.redhat.com/errata/RHSA-2021:3638
RHSA-2021:3639 https://access.redhat.com/errata/RHSA-2021:3639
RHSA-2021:3666 https://access.redhat.com/errata/RHSA-2021:3666
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-22930.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

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/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)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.55216
EPSS Score 0.00323
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:00:47.015775+00:00 Gentoo Importer Import https://security.gentoo.org/glsa/202401-02 38.0.0