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Vulnerability details: VCID-new8-u5x9-nkeb
Vulnerability ID VCID-new8-u5x9-nkeb
Aliases CVE-2021-1405
Summary A vulnerability in ClamAV could lead to a Denial of Service condition.
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
System Score Found at
epss 0.01493 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01493 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01493 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01493 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01493 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01493 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01493 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01493 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
cvssv3.1 7.5 https://blog.clamav.net/2021/04/clamav-01032-security-patch-release.html
ssvc Track https://blog.clamav.net/2021/04/clamav-01032-security-patch-release.html
cvssv3.1 7.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 7.5 https://lists.debian.org/debian-lts-announce/2021/04/msg00012.html
ssvc Track https://lists.debian.org/debian-lts-announce/2021/04/msg00012.html
archlinux Low https://security.archlinux.org/AVG-1787
cvssv3.1 7.5 https://security.gentoo.org/glsa/202104-07
ssvc Track https://security.gentoo.org/glsa/202104-07
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2021-1405
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1405
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
986622 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=986622
AVG-1787 https://security.archlinux.org/AVG-1787
clamav-01032-security-patch-release.html https://blog.clamav.net/2021/04/clamav-01032-security-patch-release.html
GLSA-202104-07 https://security.gentoo.org/glsa/202104-07
msg00012.html https://lists.debian.org/debian-lts-announce/2021/04/msg00012.html
USN-4918-1 https://usn.ubuntu.com/4918-1/
USN-4918-2 https://usn.ubuntu.com/4918-2/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://blog.clamav.net/2021/04/clamav-01032-security-patch-release.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:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-11-08T20:02:34Z/ Found at https://blog.clamav.net/2021/04/clamav-01032-security-patch-release.html
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H 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
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://lists.debian.org/debian-lts-announce/2021/04/msg00012.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:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-11-08T20:02:34Z/ Found at https://lists.debian.org/debian-lts-announce/2021/04/msg00012.html
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://security.gentoo.org/glsa/202104-07
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:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-11-08T20:02:34Z/ Found at https://security.gentoo.org/glsa/202104-07
Exploit Prediction Scoring System (EPSS)
Percentile 0.81005
EPSS Score 0.01493
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:01:31.184274+00:00 Gentoo Importer Import https://security.gentoo.org/glsa/202104-07 38.0.0