What is CVE-2023-39340?

CVE-2023-39340 is a high-severity vulnerability in Ivanti Connect Secure. CVSS score: 7.5/10. Published 2023-12-16.

How severe is CVE-2023-39340?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Ivanti Connect Secure

CVE-2023-39340

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.

EPSS: 0.024 (82.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Ivanti Connect Secure — versions 22.6.1
Ivanti Connect_secure — versions 22.1, 22.2, 22.3

References

support@hackerone.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-39340?: CVE-2023-39340 is a high-severity vulnerability in Ivanti Connect Secure. CVSS score: 7.5/10. Published 2023-12-16.
How severe is CVE-2023-39340?: High severity. CVSS v3 base score is 7.5 out of 10.