CVE-2011-4197
Last modified
CVE-2011-4197 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.00% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Pfsense | Pfsense | <= 2.0 |
| Pfsense | Pfsense | 1.0.x |
| Pfsense | Pfsense | 1.2.1 |
| Pfsense | Pfsense | 1.2.2 |
| Pfsense | Pfsense | 1.2.3 |
References
- http://secunia.com/advisories/46780Vendor Advisory
- http://secunia.com/advisories/46780Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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