CVE-2022-33992
HIGHCVSS 7.5/10EPSS 0.80%
Last modified
CVE-2022-33992 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. DNRD (aka Domain Name Relay Daemon) 2.20.3 forwards and caches DNS queries with the CD (aka checking disabled) bit set to 1. This leads to disabling of DNSSEC protection provided by upstream resolvers.. EPSS estimates a 0.80% chance of exploitation in the next 30 days.
Description
DNRD (aka Domain Name Relay Daemon) 2.20.3 forwards and caches DNS queries with the CD (aka checking disabled) bit set to 1. This leads to disabling of DNSSEC protection provided by upstream resolvers.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Domain Name Relay Daemon Project | Domain Name Relay Daemon | 2.20.3 |
References
- http://dnrd.sourceforge.net/Product, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2022/08/14/1Mailing List, Third Party Advisory
- https://www.usenix.org/conference/usenixsecurity22/presentation/jeitnerThird Party Advisory
- http://dnrd.sourceforge.net/Product, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2022/08/14/1Mailing List, Third Party Advisory
- https://www.usenix.org/conference/usenixsecurity22/presentation/jeitnerThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2022-33992?
DNRD (aka Domain Name Relay Daemon) 2.20.3 forwards and caches DNS queries with the CD (aka checking disabled) bit set to 1. This leads to disabling of DNSSEC protection provided by upstream resolvers.
How severe is CVE-2022-33992?
CVE-2022-33992 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.80% probability of exploitation in the next 30 days.
How do I fix CVE-2022-33992?
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-2022-33992?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST