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CVE-2023-39340

HIGHCVSS 7.5/10EPSS 2.38%

Last modified

CVE-2023-39340 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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 estimates a 2.38% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
7.5/10

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

EPSS Probability
2.38%

81.7th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersionsUpdate
IvantiConnect Secure22.1R1
IvantiConnect Secure22.2—
IvantiConnect Secure22.3R1
IvantiConnect Secure22.4R1
IvantiConnect Secure22.5R2.1
IvantiConnect Secure9.1R1
IvantiConnect Secure22.6—

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2023-39340?
CVE-2023-39340 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.38% probability of exploitation in the next 30 days.
How do I fix CVE-2023-39340?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-39340?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST