CVE-2008-2420
UnknownEPSS 1.36%
Last modified
CVE-2008-2420 is a vulnerability of currently unknown severity. The OCSP functionality in stunnel before 4.24 does not properly search certificate revocation lists (CRL), which allows remote attackers to bypass intended access restrictions by using revoked certificates.. EPSS estimates a 1.36% chance of exploitation in the next 30 days.
Description
The OCSP functionality in stunnel before 4.24 does not properly search certificate revocation lists (CRL), which allows remote attackers to bypass intended access restrictions by using revoked certificates.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Stunnel | Stunnel | 3.4a |
| Stunnel | Stunnel | 3.5 |
| Stunnel | Stunnel | 3.6 |
| Stunnel | Stunnel | 3.7 |
| Stunnel | Stunnel | 3.8 |
| Stunnel | Stunnel | 3.8p1 |
| Stunnel | Stunnel | 3.8p2 |
| Stunnel | Stunnel | 3.8p3 |
| Stunnel | Stunnel | 3.8p4 |
| Stunnel | Stunnel | 3.9 |
| Stunnel | Stunnel | 3.10 |
| Stunnel | Stunnel | 3.11 |
| Stunnel | Stunnel | 3.12 |
| Stunnel | Stunnel | 3.13 |
| Stunnel | Stunnel | 3.14 |
| Stunnel | Stunnel | 3.15 |
| Stunnel | Stunnel | 3.16 |
| Stunnel | Stunnel | 3.17 |
| Stunnel | Stunnel | 3.18 |
| Stunnel | Stunnel | 3.19 |
| Stunnel | Stunnel | 3.20 |
| Stunnel | Stunnel | 3.21 |
| Stunnel | Stunnel | 3.21a |
| Stunnel | Stunnel | 3.21b |
| Stunnel | Stunnel | 3.21c |
| Stunnel | Stunnel | 3.22 |
| Stunnel | Stunnel | 3.23 |
| Stunnel | Stunnel | 3.24 |
| Stunnel | Stunnel | 3.25 |
| Stunnel | Stunnel | 3.26 |
| Stunnel | Stunnel | 4.00 |
| Stunnel | Stunnel | 4.01 |
| Stunnel | Stunnel | 4.02 |
| Stunnel | Stunnel | 4.03 |
| Stunnel | Stunnel | 4.04 |
| Stunnel | Stunnel | 4.05 |
| Stunnel | Stunnel | 4.06 |
| Stunnel | Stunnel | 4.07 |
| Stunnel | Stunnel | 4.08 |
| Stunnel | Stunnel | 4.09 |
| Stunnel | Stunnel | 4.10 |
| Stunnel | Stunnel | 4.11 |
| Stunnel | Stunnel | 4.12 |
| Stunnel | Stunnel | 4.13 |
| Stunnel | Stunnel | 4.14 |
| Stunnel | Stunnel | 4.15 |
| Stunnel | Stunnel | 4.16 |
| Stunnel | Stunnel | 4.17 |
| Stunnel | Stunnel | 4.18 |
| Stunnel | Stunnel | 4.19 |
Showing 50 of 54 affected configurations. See NVD for the full list.
References
- http://secunia.com/advisories/30335Vendor Advisory
- http://secunia.com/advisories/30335Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2008-2420?
The OCSP functionality in stunnel before 4.24 does not properly search certificate revocation lists (CRL), which allows remote attackers to bypass intended access restrictions by using revoked certificates.
How severe is CVE-2008-2420?
Severity scoring for CVE-2008-2420 is pending analysis. The EPSS model estimates a 1.36% probability of exploitation in the next 30 days.
How do I fix CVE-2008-2420?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2008-2420?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
