What is CVE-2022-33989?

CVE-2022-33989 is a medium-severity vulnerability in Dproxy-Nexgen Project, classified under Insufficient Entropy. CVSS score: 5.3/10. Published 2022-08-15.

How severe is CVE-2022-33989?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Dproxy-Nexgen Project

CVE-2022-33989

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.

EPSS: 0.008 (53.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Dproxy-nexgen_project Dproxy-nexgen
N/a — versions n/a

Weakness classification (CWE)

CWE-331 — Insufficient Entropy

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Exploit, Mailing List, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2022-33989?: CVE-2022-33989 is a medium-severity vulnerability in Dproxy-Nexgen Project, classified under Insufficient Entropy. CVSS score: 5.3/10. Published 2022-08-15.
How severe is CVE-2022-33989?: Medium severity. CVSS v3 base score is 5.3 out of 10.