CVE-2023-39340

HIGH

Ivanti Connect Secure < 22.6R2 - Denial of Service

Title source: llm

Description

A vulnerability exists on all versions of Ivanti Connect Secure below 22.6R2 where an attacker can send a specific request which may lead to Denial of Service (DoS) of the appliance.

References (1)

Core 1

Core References

Vendor Advisory

https://forums.ivanti.com/s/article/Security-fix-release-Ivanti-Connect-Secure-22-6R2-and-22-6R2-1?language=en_US

Scores

CVSS v3 7.5

EPSS 0.0039

EPSS Percentile 60.4%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

Status published

Products (6)

ivanti/connect_secure 22.1 r1 (2 CPE variants)

ivanti/connect_secure 22.2 (2 CPE variants)

ivanti/connect_secure 22.3 r1

ivanti/connect_secure 22.4 r1 (2 CPE variants)

ivanti/connect_secure 22.5 r2.1

ivanti/connect_secure 9.1 r1 (42 CPE variants)

Published Dec 16, 2023

Tracked Since Feb 18, 2026