CVE-2022-33993 json
Misinterpretation of special domain name characters in DNRD (aka Domain Name Relay Daemon) 2.20.3 leads to cache poisoning because domain n…
published 2022-08-15 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-37026
- cvss
- 5.3
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 62%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
0.97% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
References
-
usenix.org
/conference/usenixsecurity21/presentation/jeitner
third-party-advisory
-
usenix.org
/conference/usenixsecurity22/presentation/jeitner
third-party-advisory
-
dnrd.sourceforge.net
/
product, third-party-advisory
-
openwall.com
/lists/oss-security/2022/08/14/1
mailing-list, third-party-advisory
Sources
- CVE List CVE-2022-33993
- NVD CVE-2022-33993
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