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Vulnerability details: VCID-n466-edc9-h7bh
Vulnerability ID VCID-n466-edc9-h7bh
Aliases CVE-2021-20241
Summary A flaw was found in ImageMagick in coders/jp2.c. An attacker who submits a crafted file that is processed by ImageMagick could trigger undefined behavior in the form of math division by zero. The highest threat from this vulnerability is to system availability.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-369 Divide By Zero
System Score Found at
cvssv3 5.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-20241.json
epss 0.0021 https://api.first.org/data/v1/epss?cve=CVE-2021-20241
epss 0.0021 https://api.first.org/data/v1/epss?cve=CVE-2021-20241
epss 0.0021 https://api.first.org/data/v1/epss?cve=CVE-2021-20241
epss 0.0021 https://api.first.org/data/v1/epss?cve=CVE-2021-20241
epss 0.0021 https://api.first.org/data/v1/epss?cve=CVE-2021-20241
epss 0.0021 https://api.first.org/data/v1/epss?cve=CVE-2021-20241
epss 0.0021 https://api.first.org/data/v1/epss?cve=CVE-2021-20241
epss 0.0021 https://api.first.org/data/v1/epss?cve=CVE-2021-20241
epss 0.0021 https://api.first.org/data/v1/epss?cve=CVE-2021-20241
epss 0.0021 https://api.first.org/data/v1/epss?cve=CVE-2021-20241
epss 0.0021 https://api.first.org/data/v1/epss?cve=CVE-2021-20241
epss 0.0021 https://api.first.org/data/v1/epss?cve=CVE-2021-20241
epss 0.0021 https://api.first.org/data/v1/epss?cve=CVE-2021-20241
epss 0.0021 https://api.first.org/data/v1/epss?cve=CVE-2021-20241
epss 0.0021 https://api.first.org/data/v1/epss?cve=CVE-2021-20241
epss 0.0021 https://api.first.org/data/v1/epss?cve=CVE-2021-20241
epss 0.0021 https://api.first.org/data/v1/epss?cve=CVE-2021-20241
epss 0.00229 https://api.first.org/data/v1/epss?cve=CVE-2021-20241
epss 0.00229 https://api.first.org/data/v1/epss?cve=CVE-2021-20241
cvssv3.1 5.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2021-20241
cvssv3.1 5.5 https://nvd.nist.gov/vuln/detail/CVE-2021-20241
archlinux Medium https://security.archlinux.org/AVG-1579
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-20241.json
https://api.first.org/data/v1/epss?cve=CVE-2021-20241
https://bugzilla.redhat.com/show_bug.cgi?id=1928952
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20241
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/ImageMagick/ImageMagick/pull/3177
https://lists.debian.org/debian-lts-announce/2021/03/msg00030.html
https://lists.debian.org/debian-lts-announce/2023/05/msg00020.html
1013282 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1013282
AVG-1579 https://security.archlinux.org/AVG-1579
cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*
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-2021-20241 https://nvd.nist.gov/vuln/detail/CVE-2021-20241
USN-5335-1 https://usn.ubuntu.com/5335-1/
USN-5736-1 https://usn.ubuntu.com/5736-1/
USN-6200-1 https://usn.ubuntu.com/6200-1/
USN-7164-1 https://usn.ubuntu.com/7164-1/
USN-USN-5736-2 https://usn.ubuntu.com/USN-5736-2/
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-20241.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:N/I:N/A:L 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: AV:N/AC:M/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2021-20241
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:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2021-20241
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 0.4365
EPSS Score 0.0021
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:30:45.222576+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/v3.15/community.json 37.0.0