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Vulnerability details: VCID-e2t2-uueh-aaam
Vulnerability ID VCID-e2t2-uueh-aaam
Aliases CVE-2021-20245
Summary A flaw was found in ImageMagick in coders/webp.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 6.4
Risk 3.2
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-2021-20245.json
epss 0.00073 https://api.first.org/data/v1/epss?cve=CVE-2021-20245
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epss 0.00098 https://api.first.org/data/v1/epss?cve=CVE-2021-20245
epss 0.00101 https://api.first.org/data/v1/epss?cve=CVE-2021-20245
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epss 0.00153 https://api.first.org/data/v1/epss?cve=CVE-2021-20245
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epss 0.00153 https://api.first.org/data/v1/epss?cve=CVE-2021-20245
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epss 0.00153 https://api.first.org/data/v1/epss?cve=CVE-2021-20245
epss 0.00153 https://api.first.org/data/v1/epss?cve=CVE-2021-20245
epss 0.00153 https://api.first.org/data/v1/epss?cve=CVE-2021-20245
epss 0.00281 https://api.first.org/data/v1/epss?cve=CVE-2021-20245
rhbs low https://bugzilla.redhat.com/show_bug.cgi?id=1928943
cvssv2 7.1 https://nvd.nist.gov/vuln/detail/CVE-2021-20245
cvssv3 5.5 https://nvd.nist.gov/vuln/detail/CVE-2021-20245
cvssv3.1 5.5 https://nvd.nist.gov/vuln/detail/CVE-2021-20245
archlinux Medium https://security.archlinux.org/AVG-1579
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-20245.json
https://api.first.org/data/v1/epss?cve=CVE-2021-20245
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20245
https://github.com/ImageMagick/ImageMagick/issues/3176
https://lists.debian.org/debian-lts-announce/2021/06/msg00000.html
https://lists.debian.org/debian-lts-announce/2023/05/msg00020.html
1013282 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1013282
1928943 https://bugzilla.redhat.com/show_bug.cgi?id=1928943
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:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
CVE-2021-20245 https://nvd.nist.gov/vuln/detail/CVE-2021-20245
USN-5736-1 https://usn.ubuntu.com/5736-1/
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-2021-20245.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: AV:N/AC:M/Au:N/C:N/I:N/A:C Found at https://nvd.nist.gov/vuln/detail/CVE-2021-20245
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-2021-20245
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:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2021-20245
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 0.32879
EPSS Score 0.00073
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.