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Vulnerability details: VCID-y6tm-b2zf-17ge
Vulnerability ID VCID-y6tm-b2zf-17ge
Aliases CVE-2020-3123
Summary A vulnerability in the Data-Loss-Prevention (DLP) module in Clam AntiVirus (ClamAV) Software versions 0.102.1 and 0.102.0 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to an out-of-bounds read affecting users that have enabled the optional DLP feature. An attacker could exploit this vulnerability by sending a crafted email file 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 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-125 Out-of-bounds Read
System Score Found at
epss 0.04894 https://api.first.org/data/v1/epss?cve=CVE-2020-3123
epss 0.04894 https://api.first.org/data/v1/epss?cve=CVE-2020-3123
epss 0.04894 https://api.first.org/data/v1/epss?cve=CVE-2020-3123
epss 0.04894 https://api.first.org/data/v1/epss?cve=CVE-2020-3123
epss 0.04894 https://api.first.org/data/v1/epss?cve=CVE-2020-3123
epss 0.04894 https://api.first.org/data/v1/epss?cve=CVE-2020-3123
epss 0.04894 https://api.first.org/data/v1/epss?cve=CVE-2020-3123
epss 0.04894 https://api.first.org/data/v1/epss?cve=CVE-2020-3123
epss 0.04894 https://api.first.org/data/v1/epss?cve=CVE-2020-3123
epss 0.04894 https://api.first.org/data/v1/epss?cve=CVE-2020-3123
epss 0.04894 https://api.first.org/data/v1/epss?cve=CVE-2020-3123
epss 0.04894 https://api.first.org/data/v1/epss?cve=CVE-2020-3123
epss 0.04894 https://api.first.org/data/v1/epss?cve=CVE-2020-3123
epss 0.04894 https://api.first.org/data/v1/epss?cve=CVE-2020-3123
epss 0.04894 https://api.first.org/data/v1/epss?cve=CVE-2020-3123
epss 0.04894 https://api.first.org/data/v1/epss?cve=CVE-2020-3123
cvssv3.1 7.5 https://blog.clamav.net/2020/02/clamav-01022-security-patch-released.html
ssvc Track https://blog.clamav.net/2020/02/clamav-01022-security-patch-released.html
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2020-3123
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2020-3123
cvssv3.1 7.5 https://quickview.cloudapps.cisco.com/quickview/bug/CSCvs59062
ssvc Track https://quickview.cloudapps.cisco.com/quickview/bug/CSCvs59062
archlinux High https://security.archlinux.org/AVG-1168
cvssv3.1 7.5 https://security.gentoo.org/glsa/202003-46
ssvc Track https://security.gentoo.org/glsa/202003-46
cvssv3.1 7.5 https://usn.ubuntu.com/4280-1/
ssvc Track https://usn.ubuntu.com/4280-1/
cvssv3.1 7.5 https://usn.ubuntu.com/4280-2/
ssvc Track https://usn.ubuntu.com/4280-2/
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2020-3123
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-3123
202003-46 https://security.gentoo.org/glsa/202003-46
950944 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=950944
AVG-1168 https://security.archlinux.org/AVG-1168
clamav-01022-security-patch-released.html https://blog.clamav.net/2020/02/clamav-01022-security-patch-released.html
cpe:2.3:a:clamav:clamav:0.102.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:clamav:clamav:0.102.0:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.102.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:clamav:clamav:0.102.1:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
CSCvs59062 https://quickview.cloudapps.cisco.com/quickview/bug/CSCvs59062
CVE-2020-3123 https://nvd.nist.gov/vuln/detail/CVE-2020-3123
USN-4280-1 https://usn.ubuntu.com/4280-1/
USN-4280-2 https://usn.ubuntu.com/4280-2/
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/2020/02/clamav-01022-security-patch-released.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/2024-11-15T16:22:29Z/ Found at https://blog.clamav.net/2020/02/clamav-01022-security-patch-released.html
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2020-3123
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-2020-3123
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://quickview.cloudapps.cisco.com/quickview/bug/CSCvs59062
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/2024-11-15T16:22:29Z/ Found at https://quickview.cloudapps.cisco.com/quickview/bug/CSCvs59062
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/202003-46
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/2024-11-15T16:22:29Z/ Found at https://security.gentoo.org/glsa/202003-46
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://usn.ubuntu.com/4280-1/
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/2024-11-15T16:22:29Z/ Found at https://usn.ubuntu.com/4280-1/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://usn.ubuntu.com/4280-2/
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/2024-11-15T16:22:29Z/ Found at https://usn.ubuntu.com/4280-2/
Exploit Prediction Scoring System (EPSS)
Percentile 0.8918
EPSS Score 0.04894
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:28:08.881568+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/v3.22/community.json 37.0.0