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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.004 (30.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 30.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001
Affected products
- Zscaler Zia Admin Portal — versions 6.2
- Zscaler Internet Access Admin Portal
Weakness classification (CWE)
References
- help.zscaler.com/zia/release-upgrade-summary-2023 (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.