Medium · 5.3 CVE-2024-38270 EUVD-2024-37235GHSA-38vv-qgw3-86p8

An insufficient entropy vulnerability caused by the improper use of a randomness function with low entropy for web authentication tokens ge…

Published Sep 10, 2024 · Updated Sep 10, 2024 · Assigned by Zyxel

Vendor: Zyxel Product: GS1900-10HP firmware Category: Network devices

Description

An insufficient entropy vulnerability caused by the improper use of a randomness function with low entropy for web authentication tokens generation exists in the Zyxel GS1900-10HP firmware version V2.80(AAZI.0)C0. This vulnerability could allow a LAN-based attacker a slight chance to gain a valid session token if multiple authenticated sessions are alive.

Affected products

Vendor	Product	Affected	Fixed
Zyxel	GS1900-10HP firmware	V2.80(AAZI.0)C0	—

References

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-insufficient-entropy-vulnerability-for-web-authentication-tokens-generation-in-gs1900-series-switches-09-10-2024 vendor-advisory