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Vulnerability · Published Nov 28, 2023 · Assigned by Zyxel

CVE-2023-5650

Medium 5.5

In plain English

A medium-severity privilege mismanagement in ATP series firmware from Zyxel. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 12% of all known vulnerabilities).

Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.2%top 88.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

An improper privilege management vulnerability in the ZySH of the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50(W) series firmware versions 4.16 through 5.37, USG20(W)-VPN series firmware versions 4.16 through 5.37, and VPN series firmware versions 4.30 through 5.37, could allow an authenticated local attacker to modify the URL of the registration page in the web GUI of an affected device.

Affected products (as reported)

VendorProductVersions
Zyxel ATP series firmware versions 4.32 through 5.37
Zyxel USG FLEX series firmware versions 4.50 through 5.37
Zyxel USG FLEX 50(W) series firmware versions 4.16 through 5.37
Zyxel USG20(W)-VPN series firmware versions 4.16 through 5.37
Zyxel VPN series firmware versions 4.30 through 5.37

Weakness: CWE-269 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

References