CVE-2023-28801

CriticalCVSS 9.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

VendorProductVersions
ZscalerZIA Admin Portal>= 6.2, < 6.2 (current)

References

Timeline

Published
Aug 31, 2023
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2023

CVE-2023-288025.4An Improper Validation of Integrity Check Value in Zscaler Client Connector on Windows allows an authenticated user to disable ZIA/ZPA by inCVE-2023-288036.5An authentication bypass by spoofing of a device with a synthetic IP address is possible in Zscaler Client Connector on Windows, allowing a CVE-2023-288045.3An Improper Verification of Cryptographic Signature vulnerability in Zscaler Client Connector on Linux allows replacing binaries.This issue CVE-2023-288059.8An Improper Input Validation vulnerability in Zscaler Client Connector on Linux allows Privilege Escalation. This issue affects Client ConneCVE-2023-288066.5An Improper Validation of signature in Zscaler Client Connector on Windows allows an authenticated user to disable anti-tampering. This issuCVE-2023-288077.5In Zscaler Internet Access (ZIA) a mismatch between Connect Host and Client Hello's Server Name Indication (SNI) enables attackers to evade CVE-2023-288089.8Some Hikvision Hybrid SAN/Cluster Storage products have an access control vulnerability which can be used to obtain the admin permission. ThCVE-2023-288097.5Some access control products are vulnerable to a session hijacking attack because the product does not update the session ID after a user suCVE-2023-28814.9Storing Passwords in a Recoverable Format in GitHub repository pimcore/customer-data-framework prior to 3.3.10.CVE-2023-288104.3Some access control/intercom products have unauthorized modification of device network configuration vulnerabilities. Attackers can modify dCVE-2023-288116.5There is a buffer overflow in the password recovery feature of Hikvision NVR/DVR models. If exploited, an attacker on the same local area neCVE-2023-288129.8There is a buffer overflow vulnerability in a web browser plug-in could allow an attacker to exploit the vulnerability by sending crafted me
CVE-2023-28801: Critical severity, CVSS 9.8 | Vulnix