Auth bypass in Uvdesk Community-Skeleton
CVE-2025-71420
UVdesk core-framework before 1.1.7 contains an authorization bypass vulnerability in the saved reply endpoint that allows authenticated agents to access replies restricted to other support groups. Attackers with ROLE_AGENT can enumerate saved reply identifiers and read content reserved for groups and teams they do not belong to.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (35.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 35.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001
Affected products
Weakness classification (CWE)
References
- github.com/uvdesk/core-framework/commit/de0422869708eb17a54bf6a98166abb80c0d483d (patch)
- github.com/uvdesk/core-framework/blob/v1.1.6/Services/TicketService.php (technical-description)
- github.com/uvdesk/core-framework/blob/v1.1.6/Controller/TicketXHR.php (technical-description)
- hackmd.io/@leediay/B1Cz5voFGg (third-party-advisory)
- github.com/uvdesk/core-framework/releases/tag/v1.1.7 (release-notes)
- github.com/uvdesk/community-skeleton/releases/tag/v1.1.8 (release-notes)
- github.com/uvdesk/core-framework (product)
- www.vulncheck.com/advisories/uvdesk-core-framework-before-1.1.7-authorization-b… (third-party-advisory)
Frequently asked questions
- What is CVE-2025-71420?
- CVE-2025-71420 is a medium-severity vulnerability in Uvdesk Community-Skeleton, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-09-21.
- How severe is CVE-2025-71420?
- Medium severity. CVSS v3 base score is 4.3 out of 10.