VULNERABILITY INTELLIGENCE

CVE-2022-33989

CVSS score5.3 MEDIUM
EPSS probability1.05%
CISA KEVNot currently listed
Published2022-08-15
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Description

dproxy-nexgen (aka dproxy nexgen) uses a static UDP source port (selected randomly only at boot time) in upstream queries sent to DNS resolvers. This allows DNS cache poisoning because there is not enough entropy to prevent traffic injection attacks.

Weakness classification

  • nvd@nist.gov: CWE-331

Primary references