CVE-2020-36421 :: Enginsight Vulnerability Database

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	5.3 MEDIUM	NETWORK	LOW	NONE	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CISA-ADP	ADP	5.3 MEDIUM	NETWORK	LOW	NONE	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Base Score

CVSS 3.x

EPSS Score

Percentile: 66%

Affected Products (NVD)

Vendor	Product	Version
arm	mbed_tls	𝑥 < 2.16.7
arm	mbed_tls	2.17.0 ≤ 𝑥 < 2.23.0
debian	debian_linux	10.0

𝑥

= Vulnerable software versions

Debian Releases

Debian Product

Codename

mbedtls

bookworm	2.28.3-1 fixed
bullseye	2.16.9-0.1 fixed
sid	3.6.2-1 fixed
stretch	no-dsa
trixie	2.28.8-1 fixed

Ubuntu Releases

Ubuntu Product

Codename

mbedtls

bionic	needed
focal	needed
groovy	ignored
hirsute	not-affected
impish	not-affected
jammy	not-affected
kinetic	not-affected
lunar	not-affected
mantic	not-affected
noble	not-affected
trusty	dne
xenial	needs-triage

Known Exploits!

Common Weakness Enumeration

CWE-203 - Observable Discrepancy
The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.

References

https://bugs.gentoo.org/730752

https://github.com/ARMmbed/mbedtls/issues/3394

https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.7

https://github.com/ARMmbed/mbedtls/releases/tag/v2.23.0

https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html

https://bugs.gentoo.org/730752

https://github.com/ARMmbed/mbedtls/issues/3394

https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.7

https://github.com/ARMmbed/mbedtls/releases/tag/v2.23.0

https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html