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On August 12, Ivanti issued an advisory regarding a critical vulnerability in the Ivanti Virtual Traffic Manager (vTM), identified as CVE-2024-7593 with a CVSS score of 9.8. The vulnerability stems from an incorrect implementation of an authentication algorithm. Patches were released on August 19th for all affected versions. On September 24th, the vulnerability was added to the CISA Known Exploited Vulnerabilities Catalog (KEV), elevating its priority and risk.
This vulnerability, now listed in CISA’s Known Exploited Vulnerabilities (KEV) catalog, carries a critical severity level, significantly increasing its risk profile. Exploiting this vulnerability can lead to a complete loss of system Confidentiality, Integrity, and Availability. It has been associated with two Common Weakness Enumerations (CWEs): CWE-287 (Improper Authentication) and CWE-303 (Incorrect Implementation of Authentication Algorithm). Essentially, this flaw allows attackers to bypass critical authentication measures in the Ivanti Virtual Traffic Manager, putting systems at serious risk.
The affected versions of Ivanti Virtual Traffic Manager are: 22.2, 22.3, 22.3R2, 22.5R1, 22.6R1, and 22.7R1. The remediated versions are: 22.2R1, 22.3R3, 22.5R2, 22.6R2, and 22.7R2.
It is crucial to update to one of the remediated versions listed above. Ivanti provides detailed documentation to assist in upgrading the Virtual Traffic Manager.
To reduce the risk of exploitation, Ivanti recommends restricting Admin Access to the Management Interface, as outlined in their advisory.
Security Advisory: Ivanti Virtual Traffic Manager (vTM ) (CVE-2024-7593)
NVD - CVE-2024-7593 (nist.gov)
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