CVE-2022-33990
HIGHCVSS 7.5/10EPSS 0.94%
Last modified
CVE-2022-33990 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Misinterpretation of special domain name characters in dproxy-nexgen (aka dproxy nexgen) leads to cache poisoning because domain names and their associated IP addresses are cached in their misinterpreted form.. EPSS estimates a 0.94% chance of exploitation in the next 30 days.
Description
Misinterpretation of special domain name characters in dproxy-nexgen (aka dproxy nexgen) leads to cache poisoning because domain names and their associated IP addresses are cached in their misinterpreted form.
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 |
|---|---|---|
| Dproxy-Nexgen Project | Dproxy-Nexgen | All versions |
References
- https://sourceforge.net/projects/dproxy/Third Party Advisory
- https://www.openwall.com/lists/oss-security/2022/08/14/3Exploit, Mailing List, Third Party Advisory
- https://www.usenix.org/conference/usenixsecurity21/presentation/jeitnerThird Party Advisory
- https://www.usenix.org/conference/usenixsecurity22/presentation/jeitnerThird Party Advisory
- https://sourceforge.net/projects/dproxy/Third Party Advisory
- https://www.openwall.com/lists/oss-security/2022/08/14/3Exploit, Mailing List, Third Party Advisory
- https://www.usenix.org/conference/usenixsecurity21/presentation/jeitnerThird Party Advisory
- https://www.usenix.org/conference/usenixsecurity22/presentation/jeitnerThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2022-33990?
Misinterpretation of special domain name characters in dproxy-nexgen (aka dproxy nexgen) leads to cache poisoning because domain names and their associated IP addresses are cached in their misinterpreted form.
How severe is CVE-2022-33990?
CVE-2022-33990 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.94% probability of exploitation in the next 30 days.
How do I fix CVE-2022-33990?
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-2022-33990?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST