CVE-2010-3901
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…
Does this matter?
Lower severity and a low EPSS score (0.60%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 6.4 MEDIUMAV:N/AC:L/Au:N/C:P/I:P/A:N
- EPSS
- 0.60% probability · 48th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- infradead/openconnect
- Source
- cve@mitre.org
EPSS 0.6% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.infradead.org/openconnect.html
- http://www.openwall.com/lists/oss-security/2010/08/01/1
- http://www.openwall.com/lists/oss-security/2010/08/02/7
- http://www.infradead.org/openconnect.html
- http://www.openwall.com/lists/oss-security/2010/08/01/1
- http://www.openwall.com/lists/oss-security/2010/08/02/7
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.