CVE-2022-2795
MEDIUMCVSS 5.3/10EPSS 1.43%
Last modified
CVE-2022-2795 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. By flooding the target resolver with queries exploiting this flaw an attacker can significantly impair the resolver's performance, effectively denying legitimate clients access to the DNS resolution service.. EPSS estimates a 1.43% chance of exploitation in the next 30 days.
Description
By flooding the target resolver with queries exploiting this flaw an attacker can significantly impair the resolver's performance, effectively denying legitimate clients access to the DNS resolution service.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Isc | Bind | >= 9.0.0, < 9.16.33 | — |
| Isc | Bind | >= 9.18.0, < 9.18.7 | — |
| Isc | Bind | >= 9.19.0, < 9.19.5 | — |
| Isc | Bind | 9.9.3 | S1 |
| Isc | Bind | 9.9.12 | S1 |
| Isc | Bind | 9.9.13 | S1 |
| Isc | Bind | 9.10.5 | S1 |
| Isc | Bind | 9.10.7 | S1 |
| Isc | Bind | 9.11.3 | S1 |
| Isc | Bind | 9.11.5 | S3 |
| Isc | Bind | 9.11.6 | S1 |
| Isc | Bind | 9.11.7 | S1 |
| Isc | Bind | 9.11.8 | S1 |
| Isc | Bind | 9.11.12 | S1 |
| Isc | Bind | 9.11.14-s1 | — |
| Isc | Bind | 9.11.19-s1 | — |
| Isc | Bind | 9.11.21 | S1 |
| Isc | Bind | 9.11.27 | S1 |
| Isc | Bind | 9.11.29 | S1 |
| Isc | Bind | 9.11.35 | S1 |
| Isc | Bind | 9.11.37 | S1 |
| Isc | Bind | 9.16.8 | S1 |
| Isc | Bind | 9.16.11 | S1 |
| Isc | Bind | 9.16.13 | S1 |
| Isc | Bind | 9.16.21 | S1 |
| Isc | Bind | 9.16.32 | S1 |
| Debian | Debian Linux | 10.0 | — |
| Debian | Debian Linux | 11.0 | — |
| Fedoraproject | Fedora | 35 | — |
| Fedoraproject | Fedora | 36 | — |
| Fedoraproject | Fedora | 37 | — |
References
- http://www.openwall.com/lists/oss-security/2022/09/21/3Mailing List, Patch, Third Party Advisory
- https://kb.isc.org/docs/cve-2022-2795Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2022/10/msg00007.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202210-25Third Party Advisory
- https://www.debian.org/security/2022/dsa-5235Third Party Advisory
- http://www.openwall.com/lists/oss-security/2022/09/21/3Mailing List, Patch, Third Party Advisory
- https://kb.isc.org/docs/cve-2022-2795Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2022/10/msg00007.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202210-25Third Party Advisory
- https://www.debian.org/security/2022/dsa-5235Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2022-2795?
By flooding the target resolver with queries exploiting this flaw an attacker can significantly impair the resolver's performance, effectively denying legitimate clients access to the DNS resolution service.
How severe is CVE-2022-2795?
CVE-2022-2795 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.43% probability of exploitation in the next 30 days.
How do I fix CVE-2022-2795?
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-2022-2795?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST