CVE-2011-4197
highpriority · track · 31EPSS 0.019 · 80 %ileEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.4–7.5
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (6)
Products and version ranges known to be affected.
also known as (2)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (16)
External citations — patches, advisories, analysis.
- http://archives.neohapsis.com/archives/bugtraq/2011-12/0152.htmlenisa_euvd
- http://secunia.com/advisories/46780enisa_euvd
- http://www.osvdb.org/77982enisa_euvd
- http://www.securityfocus.com/bid/51169enisa_euvd
- https://exchange.xforce.ibmcloud.com/vulnerabilities/71969enisa_euvd
- https://github.com/bsdperimeter/pfsense/commit/1379d66f11aaf72982a70287b83e24efcd18898eenisa_euvd
- https://github.com/bsdperimeter/pfsense/commit/87b4deb2b2dae9013e6aa0fe490d6a5a04a27894enisa_euvd
- https://www.trustmatta.com/advisories/MATTA-2011-001.txtenisa_euvd
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