Zero-day vulnerability in Ivanti Connect Secure (formerly Pulse Connect Secure)

Improper Authentication
CVE-2023-46805

Vulnerability details

Advisory: SB2024011081 - Multiple vulnerabilities in Ivanti Connect Secure and Ivanti Policy Secure gateways

Vulnerable component: Ivanti Connect Secure (formerly Pulse Connect Secure)

CVE-ID: CVE-2023-46805

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-287 - Improper Authentication

Description:

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error when processing authentication requests. A remote attacker can bypass authentication process and gain unauthorized access to the application.

Note, the vulnerability is being actively exploited in the wild.

External links:

https://forums.ivanti.com/s/article/CVE-2023-46805-Authentication-Bypass-CVE-2024-21887-Command-Inje...

https://www.volexity.com/blog/2024/01/10/active-exploitation-of-two-zero-day-vulnerabilities-in-ivan...

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.