What is CVE-2023-37635?

CVE-2023-37635 is a critical-severity vulnerability in Uvdesk Community-Skeleton, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 9.8/10. Published 2023-10-23.

How severe is CVE-2023-37635?

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

Is CVE-2023-37635 known to be exploited?

4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Uvdesk Community-Skeleton

CVE-2023-37635

UVDesk Community Skeleton v1.1.1 allows unauthenticated attackers to perform brute force attacks on the login page to gain access to the application.

Published 2023-10-23 · 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: 0.012 (65.7th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 65.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Uvdesk Community-Skeleton — versions 1.1.1

Weakness classification (CWE)

CWE-307 — Improper Restriction of Excessive Authentication Attempts

Public proof-of-concept exploits

References

www.esecforte.com/cve-2023-37635-login-bruteforce/ (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-37635?: CVE-2023-37635 is a critical-severity vulnerability in Uvdesk Community-Skeleton, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 9.8/10. Published 2023-10-23.
How severe is CVE-2023-37635?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-37635 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.