CVE-2021-4188 :: 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	6.8 MEDIUM	LOCAL	LOW	NONE	CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

Base Score

CVSS 3.x

EPSS Score

Percentile: 51%

Affected Products (NVD)

Vendor	Product	Version
mruby	mruby	𝑥 ≤ 3.0.0

𝑥

= Vulnerable software versions

Debian Releases

Debian Product

Codename

mruby

bookworm	3.1.0-3 fixed
bullseye	2.1.2-3 fixed
sid	3.3.0-1 fixed
trixie	3.3.0-1 fixed

Ubuntu Releases

Ubuntu Product

Codename

mruby

bionic	needs-triage
focal	needs-triage
hirsute	ignored
impish	ignored
jammy	needs-triage
kinetic	ignored
lunar	ignored
mantic	ignored
noble	needs-triage
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/27d1e0132a0804581dca28df042e7047fd27eaa8

https://huntr.dev/bounties/78533fb9-f3e0-47c2-86dc-d1f96d5bea28

https://github.com/mruby/mruby/commit/27d1e0132a0804581dca28df042e7047fd27eaa8

https://huntr.dev/bounties/78533fb9-f3e0-47c2-86dc-d1f96d5bea28