Vulnerability · Published Aug 15, 2022 · Assigned by mitre

CVE-2022-33991

Medium 5.3

In plain English

A medium-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 63% of all known vulnerabilities).

Severity (CVSS NVD)5.3Medium

Exploit odds (30 days)1.0%top 37.3% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

dproxy-nexgen (aka dproxy nexgen) 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.

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

References

https://sourceforge.net/projects/dproxy/ x_refsource_MISC
https://www.usenix.org/conference/usenixsecurity22/presentation/jeitner x_refsource_MISC
https://www.openwall.com/lists/oss-security/2022/08/14/3 x_refsource_MISC