Vulnerability Details : CVE-2022-33991
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.
Products affected by CVE-2022-33991
- cpe:2.3:a:dproxy-nexgen_project:dproxy-nexgen:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-33991
0.08%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 32 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-33991
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
3.9
|
1.4
|
NIST |
CWE ids for CVE-2022-33991
-
This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.Assigned by: nvd@nist.gov (Primary)
References for CVE-2022-33991
-
https://www.usenix.org/conference/usenixsecurity22/presentation/jeitner
XDRI Attacks - and - How to Enhance Resilience of Residential Routers | USENIXThird Party Advisory
-
https://sourceforge.net/projects/dproxy/
Third Party Advisory
-
https://www.openwall.com/lists/oss-security/2022/08/14/3
Exploit;Mailing List;Third Party Advisory
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