CVE-2021-4110 :: Enginsight Vulnerability Database

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	7.5 HIGH	NETWORK	LOW	NONE	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
@huntrdev	CNA	9.1 CRITICAL	NETWORK	LOW	NONE	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Base Score

CVSS 3.x

EPSS Score

Percentile: 63%

Affected Products (NVD)

Vendor	Product	Version
mruby	mruby	𝑥 < 3.1

𝑥

= Vulnerable software versions

Debian Releases

Debian Product

Codename

mruby

bookworm	3.1.0-3 fixed
bullseye	no-dsa
buster	no-dsa
sid	3.3.0-1 fixed
stretch	postponed
trixie	3.3.0-1 fixed

Ubuntu Releases

Ubuntu Product

Codename

mruby

bionic	needed
focal	needed
hirsute	ignored
impish	ignored
jammy	needed
kinetic	ignored
lunar	ignored
mantic	ignored
noble	needed
trusty	ignored
xenial	needs-triage

Known Exploits!

Common Weakness Enumeration

CWE-476 - NULL Pointer Dereference
A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.

References

https://github.com/mruby/mruby/commit/f5e10c5a79a17939af763b1dcf5232ce47e24a34

https://huntr.dev/bounties/4ce5dc47-2512-4c87-8609-453adc8cad20

https://github.com/mruby/mruby/commit/f5e10c5a79a17939af763b1dcf5232ce47e24a34

https://huntr.dev/bounties/4ce5dc47-2512-4c87-8609-453adc8cad20