CVE-2021-3842 :: Enginsight Vulnerability Database

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	NIST	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
CVE	ADP	---				---

Base Score

CVSS 3.x

EPSS Score

Percentile: 65%

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

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

Ubuntu Releases

Ubuntu Product

Codename

nltk

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