Search for vulnerabilities
Vulnerability details: VCID-wam4-3wsq-aaap
Vulnerability ID VCID-wam4-3wsq-aaap
Aliases CVE-2021-1405
Summary A vulnerability in the email parsing module in Clam AntiVirus (ClamAV) Software version 0.103.1 and all prior versions could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper variable initialization that may result in an NULL pointer read. An attacker could exploit this vulnerability by sending a crafted email to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process crash, resulting in a denial of service condition.
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-909 Missing Initialization of Resource
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2021/CVE-2021-1405.html
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.00384 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.00476 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.00476 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.00476 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.00476 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01422 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01422 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01422 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01422 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01422 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01422 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01422 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01422 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01422 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01422 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01422 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01422 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01422 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01422 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01422 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01422 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01422 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01422 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01422 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01422 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01422 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.01426 https://api.first.org/data/v1/epss?cve=CVE-2021-1405
epss 0.03195 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
generic_textual Medium 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
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1405
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
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2021-1405
cvssv3 7.5 https://nvd.nist.gov/vuln/detail/CVE-2021-1405
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2021-1405
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
generic_textual Medium https://ubuntu.com/security/notices/USN-4918-1
generic_textual Medium https://ubuntu.com/security/notices/USN-4918-2
generic_textual Medium https://ubuntu.com/security/notices/USN-4918-3
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2021/CVE-2021-1405.html
https://api.first.org/data/v1/epss?cve=CVE-2021-1405
https://blog.clamav.net/2021/04/clamav-01032-security-patch-release.html
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1405
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://lists.debian.org/debian-lts-announce/2021/04/msg00012.html
https://security.gentoo.org/glsa/202104-07
https://ubuntu.com/security/notices/USN-4918-1
https://ubuntu.com/security/notices/USN-4918-2
https://ubuntu.com/security/notices/USN-4918-3
986622 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=986622
AVG-1787 https://security.archlinux.org/AVG-1787
cpe:2.3:a:clamav:clamav:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:clamav:clamav:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
CVE-2021-1405 https://nvd.nist.gov/vuln/detail/CVE-2021-1405
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: AV:N/AC:L/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2021-1405
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2021-1405
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://nvd.nist.gov/vuln/detail/CVE-2021-1405
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://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 0.73609
EPSS Score 0.00384
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.