CVE-2010-3901

Name: CVE-2010-3901
Creator: NVD / NIST
Published: 2010-10-14T05:58:42.893+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.61%

Last modified Jun 16, 2026

CVE-2010-3901 is a vulnerability of currently unknown severity. OpenConnect before 2.25 does not properly validate X.509 certificates, which allows man-in-the-middle attackers to spoof arbitrary AnyConnect SSL VPN servers via a crafted server certificate that (1) does not correspond to the server hostname or (2) is presented in circumstances involving a missing --cafile configuration option.. EPSS estimates a 0.61% chance of exploitation in the next 30 days.

Description

OpenConnect before 2.25 does not properly validate X.509 certificates, which allows man-in-the-middle attackers to spoof arbitrary AnyConnect SSL VPN servers via a crafted server certificate that (1) does not correspond to the server hostname or (2) is presented in circumstances involving a missing --cafile configuration option.

Metrics

EPSS Probability

0.61%

44.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Infradead	Openconnect	<= 2.22
Infradead	Openconnect	1.00
Infradead	Openconnect	1.10
Infradead	Openconnect	1.20
Infradead	Openconnect	1.30

References

Timeline

Published: Oct 14, 2010
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2010-3901?

How severe is CVE-2010-3901?

Severity scoring for CVE-2010-3901 is pending analysis. The EPSS model estimates a 0.61% probability of exploitation in the next 30 days.

How do I fix CVE-2010-3901?

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-2010-3901?

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

Scan your code now

Source: NVD / NIST