CVE-2020-22021 :: Enginsight Vulnerability Database

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	NIST	6.5 MEDIUM	NETWORK	LOW	NONE	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
mitre	CNA	---				---
CVE	ADP	---				---

Base Score

CVSS 3.x

EPSS Score

Percentile: 53%

Vendor	Product	Version
ffmpeg	ffmpeg	4.2
debian	debian_linux	9.0
debian	debian_linux	10.0

𝑥

= Vulnerable software versions

Debian Releases

Debian Product

Codename

ffmpeg

bullseye	7:4.3.7-0+deb11u1 fixed
bullseye (security)	7:4.3.8-0+deb11u1 fixed
bookworm	7:5.1.6-0+deb12u1 fixed
bookworm (security)	7:5.1.6-0+deb12u1 fixed
sid	7:7.1-3 fixed
trixie	7:7.1-3 fixed

Ubuntu Releases

Ubuntu Product

Codename

ffmpeg

jammy	not-affected
impish	Fixed 7:4.4.2-0ubuntu0.21.10.1 released
hirsute	ignored
groovy	ignored
focal	Fixed 7:4.2.7-0ubuntu0.1 released
bionic	Fixed 7:3.4.11-0ubuntu0.1 released
xenial	Fixed 7:2.8.17-0ubuntu0.1+esm2 released
trusty	dne

Known Exploits!

Common Weakness Enumeration

CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
The program copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

References

https://lists.debian.org/debian-lts-announce/2021/08/msg00018.html

https://trac.ffmpeg.org/ticket/8240

https://www.debian.org/security/2021/dsa-4990

https://lists.debian.org/debian-lts-announce/2021/08/msg00018.html

https://trac.ffmpeg.org/ticket/8240

https://www.debian.org/security/2021/dsa-4990