CVE-2014-9721
UnknownEPSS 2.53%
Last modified
CVE-2014-9721 is a vulnerability of currently unknown severity. libzmq before 4.0.6 and 4.1.x before 4.1.1 allows remote attackers to conduct downgrade attacks and bypass ZMTP v3 protocol security mechanisms via a ZMTP v2 or earlier header.. EPSS estimates a 2.53% chance of exploitation in the next 30 days.
Description
libzmq before 4.0.6 and 4.1.x before 4.1.1 allows remote attackers to conduct downgrade attacks and bypass ZMTP v3 protocol security mechanisms via a ZMTP v2 or earlier header.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Zeromq | Zeromq | <= 4.0.5 | — |
| Zeromq | Zeromq | 4.1.0 | Rc1 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2014-9721?
libzmq before 4.0.6 and 4.1.x before 4.1.1 allows remote attackers to conduct downgrade attacks and bypass ZMTP v3 protocol security mechanisms via a ZMTP v2 or earlier header.
How severe is CVE-2014-9721?
Severity scoring for CVE-2014-9721 is pending analysis. The EPSS model estimates a 2.53% probability of exploitation in the next 30 days.
How do I fix CVE-2014-9721?
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-2014-9721?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST