CVE-2022-33992 json
DNRD (aka Domain Name Relay Daemon) 2.20.3 forwards and caches DNS queries with the CD (aka checking disabled) bit set to 1.
published 4y ago modified 4mo ago also EUVD-2022-37025
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 64%
- public exploits
- 0
- none known
Summary
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.
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Check with FencerExploit prediction
1.05% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
References
-
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-2022-33992
- NVD CVE-2022-33992
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