PT-2023-21977 · Zscaler · Zscaler Admin Ui

Published 2023-08-31 · Updated 2023-09-07 · CVE-2023-28801

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Zscaler Admin UI versions 6.2 before 6.2r

Description The issue is related to an improper verification of cryptographic signature in the SAML authentication of the Zscaler Admin UI, allowing a privilege escalation.

Recommendations For versions 6.2 before 6.2r, update to version 6.2r or later to resolve the issue. As a temporary workaround, consider restricting access to the SAML authentication feature in the Admin UI until a patch is applied.

Fix

Improper Verification of Cryptographic Signature

Weakness Enumeration

CWE-347

Related Identifiers

CVE-2023-28801

Affected Products

Zscaler Admin Ui

References · 4

• https://osv.dev/vulnerability/CVE-2023-28801 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-28801 · Security Note
• https://t.me/cibsecurity/69553 · Telegram Post
• https://help.zscaler.com/zia/release-upgrade-summary-2023 · Note