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Vulnerability details: VCID-xevb-whnv-aaan
Vulnerability ID VCID-xevb-whnv-aaan
Aliases CVE-2020-21041
Summary Buffer Overflow vulnerability exists in FFmpeg 4.1 via apng_do_inverse_blend in libavcodec/pngenc.c, which could let a remote malicious user cause a Denial of Service
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 0.00286 https://api.first.org/data/v1/epss?cve=CVE-2020-21041
epss 0.00286 https://api.first.org/data/v1/epss?cve=CVE-2020-21041
epss 0.00286 https://api.first.org/data/v1/epss?cve=CVE-2020-21041
epss 0.00286 https://api.first.org/data/v1/epss?cve=CVE-2020-21041
epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2020-21041
epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2020-21041
epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2020-21041
epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2020-21041
epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2020-21041
epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2020-21041
epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2020-21041
epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2020-21041
epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2020-21041
epss 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2020-21041
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epss 0.00414 https://api.first.org/data/v1/epss?cve=CVE-2020-21041
epss 0.00414 https://api.first.org/data/v1/epss?cve=CVE-2020-21041
epss 0.00414 https://api.first.org/data/v1/epss?cve=CVE-2020-21041
epss 0.00414 https://api.first.org/data/v1/epss?cve=CVE-2020-21041
epss 0.00414 https://api.first.org/data/v1/epss?cve=CVE-2020-21041
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epss 0.00414 https://api.first.org/data/v1/epss?cve=CVE-2020-21041
epss 0.00414 https://api.first.org/data/v1/epss?cve=CVE-2020-21041
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epss 0.00414 https://api.first.org/data/v1/epss?cve=CVE-2020-21041
epss 0.00414 https://api.first.org/data/v1/epss?cve=CVE-2020-21041
epss 0.00414 https://api.first.org/data/v1/epss?cve=CVE-2020-21041
epss 0.00414 https://api.first.org/data/v1/epss?cve=CVE-2020-21041
epss 0.00488 https://api.first.org/data/v1/epss?cve=CVE-2020-21041
epss 0.00488 https://api.first.org/data/v1/epss?cve=CVE-2020-21041
epss 0.00488 https://api.first.org/data/v1/epss?cve=CVE-2020-21041
epss 0.00488 https://api.first.org/data/v1/epss?cve=CVE-2020-21041
epss 0.00488 https://api.first.org/data/v1/epss?cve=CVE-2020-21041
epss 0.00488 https://api.first.org/data/v1/epss?cve=CVE-2020-21041
epss 0.00983 https://api.first.org/data/v1/epss?cve=CVE-2020-21041
cvssv3.1 7.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2020-21041
cvssv3 7.5 https://nvd.nist.gov/vuln/detail/CVE-2020-21041
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2020-21041
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2020-21041
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-20445
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-20446
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-20453
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-21041
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22015
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22016
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22017
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22019
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22020
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22021
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22022
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22023
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22025
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22026
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22027
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22028
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22029
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22030
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22031
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22032
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22033
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22034
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22035
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22036
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22037
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22049
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-22054
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-35965
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38114
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38171
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38291
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://lists.debian.org/debian-lts-announce/2021/08/msg00018.html
https://trac.ffmpeg.org/ticket/7989
https://www.debian.org/security/2021/dsa-4990
989439 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=989439
cpe:2.3:a:ffmpeg:ffmpeg:4.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:ffmpeg:ffmpeg:4.1:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
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-2020-21041 https://nvd.nist.gov/vuln/detail/CVE-2020-21041
USN-5472-1 https://usn.ubuntu.com/5472-1/
USN-USN-5167-1 https://usn.ubuntu.com/USN-5167-1/
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/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: AV:N/AC:L/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2020-21041
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-2020-21041
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-2020-21041
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 0.68336
EPSS Score 0.00286
Published At Dec. 17, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.