Zero-day vulnerability in Ivanti Cloud Services Appliance (CSA)

Path traversal
CVE-2024-8963

Vulnerability details

Advisory: SB2024091969 - Path traversal in Ivanti Cloud Service Appliance

Vulnerable component: Ivanti Cloud Services Appliance (CSA)

CVE-ID: CVE-2024-8963

CVSSv3 score: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Description:

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote non-authenticated attacker can send a specially crafted HTTP request and read arbitrary files on the system.

The vulnerability can be exploited along with #VU97119 (CVE-2024-8190) to achieve remote code execution and is being exploited in the wild.

External links:

https://forums.ivanti.com/s/article/Security-Advisory-Ivanti-CSA-4-6-Cloud-Services-Appliance-CVE-2024-8963

About zero-day vulnerabilities

Zero-day vulnerability is an undisclosed vulnerability in software that hackers can exploit to compromise computer programs, gain unauthorized access to sensitive data, penetrate networks, etc. We consider vulnerability a zero-day when there is no solution provided from software vendor and the vulnerability is being actively exploited by malicious actors.

Zero-day candidate is a potential zero-day vulnerability in software which might have been used in targeted attacks, however there is no evidence to support this suggestion.