CVE-2023-28798

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

An out-of-bounds write to heap in the pacparser library on Zscaler Client Connector on Mac may lead to arbitrary code execution.

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

CWE-122CWE-787

Affected software

No affected versions have been published.

Timeline

Published
May 2, 2024
Last modified
Jun 17, 2026
NVD status
Analyzed

Related CVEs from 2023

CVE-2023-287996.1A URL parameter during login flow was vulnerable to injection. An attacker could insert a malicious domain in this parameter, which would reCVE-2023-28807.5Frauscher Sensortechnik GmbH FDS001 for FAdC/FAdCi v1.3.3 and all previous versions are vulnerable to a path traversal vulnerability of the CVE-2023-288006.1When using local accounts for administration, the redirect url parameter was not encoded correctly, allowing for an XSS attack providing admCVE-2023-288019.8An Improper Verification of Cryptographic Signature in the SAML authentication of the Zscaler Admin UI allows a Privilege Escalation.This isCVE-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 su
CVE-2023-28798: Critical severity, CVSS 9.8 | Vulnix