What is CVE-2023-28801?

CVE-2023-28801 is a critical-severity vulnerability in Zscaler Zia Admin Portal, classified under Improper Verification of Cryptographic Signature. CVSS score: 9.6/10. Published 2023-08-31.

How severe is CVE-2023-28801?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Vulnerability in Zscaler Zia Admin Portal

CVE-2023-28801

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.

EPSS: 0.003 (25.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N.

Affected products

Zscaler Zia Admin Portal — versions 6.2
Zscaler Zscaler_internet_access_admin_portal

Weakness classification (CWE)

CWE-347 — Improper Verification of Cryptographic Signature

References

cve@zscaler.com (Release Notes)

Frequently asked questions

What is CVE-2023-28801?: CVE-2023-28801 is a critical-severity vulnerability in Zscaler Zia Admin Portal, classified under Improper Verification of Cryptographic Signature. CVSS score: 9.6/10. Published 2023-08-31.
How severe is CVE-2023-28801?: Critical severity. CVSS v3 base score is 9.6 out of 10.