CVE-2021-3842 :: 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	7.5 HIGH	NETWORK	LOW	NONE	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Base Score

CVSS 3.x

EPSS Score

Percentile: 60%

Affected Products (NVD)

Vendor	Product	Version
nltk	nltk	𝑥 < 3.6.6
debian	debian_linux	9.0
debian	debian_linux	10.0
debian	debian_linux	11.0

𝑥

= Vulnerable software versions

Debian Releases

Debian Product

Codename

nltk

bookworm	3.8-1 fixed
bullseye	no-dsa
buster	no-dsa
sid	3.9.1-2 fixed
stretch	no-dsa
trixie	3.9.1-2 fixed

Ubuntu Releases

Ubuntu Product

Codename

nltk

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

Known Exploits!

Common Weakness Enumeration

CWE-1333 - Inefficient Regular Expression Complexity
The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles.

References

https://github.com/nltk/nltk/commit/2a50a3edc9d35f57ae42a921c621edc160877f4d

https://huntr.dev/bounties/761a761e-2be2-430a-8d92-6f74ffe9866a

https://github.com/nltk/nltk/commit/2a50a3edc9d35f57ae42a921c621edc160877f4d

https://huntr.dev/bounties/761a761e-2be2-430a-8d92-6f74ffe9866a