CVE-2010-3901
OpenConnect before 2.25 does not properly validate X.509 certificates, which allows man-in-the...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2010-3901- CVSS 2.0
- 6.4 Medium
AV:N/AC:L/Au:N/C:P/I:P/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2010-3901- Updated
- 2026-11-02
EUVDEUVD-2010-3879 No score
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.
- Record
EUVD-2010-3879- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-92px-2chv-hqhf No score
OpenConnect before 2.25 does not properly validate X.509 certificates, which allows man-in-the...
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.
- Record
GHSA-92px-2chv-hqhf- Weakness
- CWE-20
- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2010-3901- Updated
- 2026-11-02
OSVDEBIAN-CVE-2010-3901 No score
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.
- Record
DEBIAN-CVE-2010-3901- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
openconnectDebian:12 |
before 2.25-0.1 | 2.25-0.1 |
openconnectDebian:13 |
before 2.25-0.1 | 2.25-0.1 |
openconnectDebian:14 |
before 2.25-0.1 | 2.25-0.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2010-3901 is a medium vulnerability (CVSS 6.4) in Infradead Openconnect, published October 12, 2010. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.60%, the 48th percentile. Fixed in openconnect 2.25-0.1.