What is CVE-2025-52670?

CVE-2025-52670 is a medium-severity vulnerability in Revive Adserver, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2025-11-20.

How severe is CVE-2025-52670?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Revive Adserver

CVE-2025-52670

Missing authorization check in Revive Adserver 5.5.2 and 6.0.1 and earlier versions causes users on the system to delete banners owned by other accounts

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2025-11-20 · last modified 2026-09-26.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.003 (27.8th percentile), scored 2026-10-28.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 27.8% 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: 0.003 · change: +0.000

Affected products

Revive Adserver — versions 6, 5, 6.0.2
Revive-Adserver Revive Adserver

Weakness classification (CWE)

References

hackerone.com/reports/3401612 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2025-52670?: CVE-2025-52670 is a medium-severity vulnerability in Revive Adserver, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2025-11-20.
How severe is CVE-2025-52670?: Medium severity. CVSS v3 base score is 6.5 out of 10.