CVE-2011-4197
HIGH · CVSS 7.5EPSS 1.9%EU EUVD
etc/inc/certs.inc in the PKI implementation in pfSense before 2.0.1 creates each X.509 certificate with a true value for the CA basic constraint, which allows remote attackers to create sub-certificates for arbitrary subjects by leveraging the private key.
Key facts
- CVSS score
- 7.5 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P- Weakness (CWE)
- CWE-264
- EPSS score
- 1.9% (80th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2011-4140)
- Published
- January 3, 2012
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2011-4140 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- pfsense / pfsense
- pfsense / pfsense
- pfsense / pfsense
- pfsense / pfsense
- pfsense / pfsense
References
- http://archives.neohapsis.com/archives/bugtraq/2011-12/0152.html
- http://secunia.com/advisories/46780(Vendor Advisory)
- http://www.osvdb.org/77982
- http://www.securityfocus.com/bid/51169
- https://exchange.xforce.ibmcloud.com/vulnerabilities/71969
- https://github.com/bsdperimeter/pfsense/commit/1379d66f11aaf72982a70287b83e24efcd18898e
- https://github.com/bsdperimeter/pfsense/commit/87b4deb2b2dae9013e6aa0fe490d6a5a04a27894
- https://www.trustmatta.com/advisories/MATTA-2011-001.txt
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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