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CVE-2022-33993
Misinterpretation of special domain name characters in DNRD (aka Domain Name Relay Daemon) 2.20.3 leads to cache poisoning because domain…
Medium5.3EPSS 0.97%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
Misinterpretation of special domain name characters in DNRD (aka Domain Name Relay Daemon) 2.20.3 leads to cache poisoning because domain names and their associated IP addresses are cached in their misinterpreted form.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
- EPSS (exploitation in 30 days)
- 0.97% · top 38% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (4)
- https://www.usenix.org/conference/usenixsecurity21/presentation/jeitner (opens in a new tab)x_refsource_MISCx_transferred
- https://www.usenix.org/conference/usenixsecurity22/presentation/jeitner (opens in a new tab)x_refsource_MISCx_transferred
- http://dnrd.sourceforge.net/ (opens in a new tab)x_refsource_MISCx_transferred
- https://www.openwall.com/lists/oss-security/2022/08/14/1 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-33993)Record last updated .