What is CVE-2017-11291?

CVE-2017-11291 is a critical-severity vulnerability in Adobe Connect, classified under Server-Side Request Forgery (SSRF). CVSS score: 10.0/10. Published 2017-12-09.

How severe is CVE-2017-11291?

Critical severity. CVSS v3 base score is 10.0 out of 10.

SSRF in Adobe Connect

CVE-2017-11291

An issue was discovered in Adobe Connect 9.6.2 and earlier versions. A Server-Side Request Forgery (SSRF) vulnerability exists that could be abused to bypass network access controls.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published 2017-12-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.055 (92.7th percentile), scored 2026-10-19.

Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 92.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.055 · newest: 0.055 · change: 0.000

Affected products

Adobe Connect
Adobe Connect 9.6.2 And Earlier Versions — versions Adobe Connect 9.6.2 and earlier versions

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

helpx.adobe.com/security/products/connect/apsb17-35.html (Vendor Advisory)
www.securitytracker.com/id/1039799 (VDB Entry, Third Party Advisory, vdb-entry)
www.securityfocus.com/bid/101838 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2017-11291?: CVE-2017-11291 is a critical-severity vulnerability in Adobe Connect, classified under Server-Side Request Forgery (SSRF). CVSS score: 10.0/10. Published 2017-12-09.
How severe is CVE-2017-11291?: Critical severity. CVSS v3 base score is 10.0 out of 10.