What is CVE-2023-3173?

CVE-2023-3173 is a critical-severity vulnerability in Froxlor, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 9.8/10. Published 2023-06-09.

How severe is CVE-2023-3173?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Froxlor

CVE-2023-3173

Improper Restriction of Excessive Authentication Attempts in GitHub repository froxlor/froxlor prior to 2.0.20.

Published 2023-06-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.011 (65.0th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Froxlor
Froxlor Froxlor/froxlor — versions unspecified

Weakness classification (CWE)

CWE-307 — Improper Restriction of Excessive Authentication Attempts

References

huntr.dev/bounties/4d715f76-950d-4251-8139-3dffea798f14 (Exploit, Third Party Advisory)
github.com/froxlor/froxlor/commit/464216072456efb35b4541c58e7016463dfbd9a6 (Patch)

Frequently asked questions

What is CVE-2023-3173?: CVE-2023-3173 is a critical-severity vulnerability in Froxlor, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 9.8/10. Published 2023-06-09.
How severe is CVE-2023-3173?: Critical severity. CVSS v3 base score is 9.8 out of 10.