CVE-2021-20090 :: Enginsight Vulnerability Database

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	NIST	9.8 CRITICAL	NETWORK	LOW	NONE	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
tenable	CNA	---				---
CVE	ADP	---				---
CISA-ADP	ADP	9.8 CRITICAL	NETWORK	LOW	NONE	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Base Score

CVSS 3.x

EPSS Score

Percentile: 99%

Vendor	Product	Version
buffalo	wsr-2533dhpl2-bk_firmware	𝑥 ≤ 1.02
buffalo	wsr-2533dhp3-bk_firmware	𝑥 ≤ 1.24

𝑥

= Vulnerable software versions

Known Exploits!

Common Weakness Enumeration

CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

References

https://www.kb.cert.org/vuls/id/914124

https://www.secpod.com/blog/arcadyan-based-routers-and-modems-under-active-exploitation/

https://www.tenable.com/security/research/tra-2021-13

https://www.kb.cert.org/vuls/id/914124

https://www.secpod.com/blog/arcadyan-based-routers-and-modems-under-active-exploitation/

https://www.tenable.com/security/research/tra-2021-13