Vulnerability · Published Aug 31, 2023 · Assigned by Zscaler

CVE-2023-28801Improper SAML signature verification

Critical 9.6

In plain English

A critical-severity security flaw in ZIA Admin Portal from Zscaler. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities).

Severity (CVSS 3.1)9.6Critical
Exploit odds (30 days)0.4%top 66.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

An Improper Verification of Cryptographic Signature in the SAML authentication of the Zscaler Admin UI allows a Privilege Escalation.This issue affects Admin UI: from 6.2 before 6.2r.

Affected products (as reported)

VendorProductVersions
Zscaler ZIA Admin Portal 6.2 – before 6.2 (current)

Weakness: CWE-347 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N

References