Unscored severity · published Jan 3, 2012
CVE-2011-4197
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…
–
CVSS
1.9%
EPSS
No
On KEV
Description
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)1.9% · higher than 80% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PF
Pfsense · Pfsense
through 2.0; 1.0.x; 1.2.1; 1.2.2; 1.2.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2011-4197
CVE.org
https://www.cve.org/CVERecord?id=CVE-2011-4197
archives.neohapsis.com
http://archives.neohapsis.com/archives/bugtraq/2011-12/0152.html
Vendor Advisory
http://secunia.com/advisories/46780
www.osvdb.org
http://www.osvdb.org/77982
www.securityfocus.com
http://www.securityfocus.com/bid/51169
exchange.xforce.ibmcloud.com
https://exchange.xforce.ibmcloud.com/vulnerabilities/71969
github.com
https://github.com/bsdperimeter/pfsense/commit/1379d66f11aaf72982a70287b83e24efcd18898e
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