CVE-2011-4197 json
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 const…
published 2012-01-03 14 y ago modified 2026-06-16 4 mo ago also EUVD-2011-4140
- cvss
- 7.5
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.9%
- EPSS 1.9% chance of exploitation in 30 days, percentile 80%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
Exploit prediction
1.92% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-264 Permissions, Privileges, and Access Controls
References
- github.com /bsdperimeter/pfsense/commit/87b4deb2b2dae9013e6aa0fe490d6a5a04a27894
- github.com /bsdperimeter/pfsense/commit/1379d66f11aaf72982a70287b83e24efcd18898e
-
secunia.com
/advisories/46780
third-party-advisory, vendor-advisory
-
securityfocus.com
/bid/51169
vdb-entry
-
archives.neohapsis.com
/archives/bugtraq/2011-12/0152.html
mailing-list
- trustmatta.com /advisories/MATTA-2011-001.txt
-
exchange.xforce.ibmcloud.com
/vulnerabilities/71969
vdb-entry
-
osvdb.org
/77982
vdb-entry
Sources
- CVE List CVE-2011-4197
- NVD CVE-2011-4197
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.