What is CVE-2018-12804?

CVE-2018-12804 is a critical-severity vulnerability in Adobe Connect, classified under Improper Authentication. CVSS score: 9.8/10. Published 2018-07-20.

How severe is CVE-2018-12804?

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

Auth bypass in Adobe Connect

CVE-2018-12804

Adobe Connect versions 9.7.5 and earlier have an Authentication Bypass vulnerability. Successful exploitation could lead to session hijacking.

Vulnerability class: Broken Authentication

Published 2018-07-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.111 (95.9th percentile), scored 2026-10-19.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.096 · newest: 0.111 · change: +0.015

Affected products

Adobe Connect
Adobe Connect 9.7.5 And Earlier — versions Adobe Connect 9.7.5 and earlier

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

www.securityfocus.com/bid/104697 (VDB Entry, Third Party Advisory, vdb-entry)
www.securitytracker.com/id/1041264 (VDB Entry, Third Party Advisory, vdb-entry)
helpx.adobe.com/security/products/connect/apsb18-22.html (Vendor Advisory)

Frequently asked questions

What is CVE-2018-12804?: CVE-2018-12804 is a critical-severity vulnerability in Adobe Connect, classified under Improper Authentication. CVSS score: 9.8/10. Published 2018-07-20.
How severe is CVE-2018-12804?: Critical severity. CVSS v3 base score is 9.8 out of 10.