Adobe Security Bulletin
Security updates available for Adobe Connect | APSB17-35
Bulletin ID Date Published Priority
APSB17-35 November 14, 2017 3


Adobe has released a security update for Adobe Connect. This update resolves a critical Server-Side Request Forgery (SSRF) vulnerability (CVE-2017-11291) that could be abused to bypass network access controls. This update also resolves three input validation vulnerabilities rated Important (CVE-2017-11287, CVE-2017-11288, CVE-2017-11289) that could be used in reflected cross-site scripting attacks. Finally, this update includes a feature that enables Connect administrators to protect users from UI redressing (or clickjacking) attacks (CVE-2017-11290).

Affected product versions

Product Version Platform
Adobe Connect 9.6.2 and earlier All


Adobe categorizes these updates with the following priority ratings and recommends users update their installation to the newest version:

Product Version Platform Priority Availability
Adobe Connect 9.7 All 3 Release note


Adobe Connect 9.7 rolls out in following phases:
Hosted services: Starting November 10, 2017; check the migration schedule for your account here.
On-premise deployments: Starting November 17, 2017
Managed services: Contact your Adobe Connect managed services representative to schedule your update.

Vulnerability details

Vulnerability Category Vulnerability Impact Severity CVE Number
Server-Side Request Forgery (SSRF) Network access control bypass Critical CVE-2017-11291
Reflected Cross-site Scripting Information disclosure
Important CVE-2017-11287
Reflected Cross-site Scripting Information disclosure
Reflected Cross-site Scripting Information disclosure Important CVE-2017-11289
UI Redress (or Clickjacking) Information disclosure Important CVE-2017-11290


Adobe would like to thank the following individuals for reporting these issues and for working with Adobe to help protect our customers:

  • Adam Willard of Blue Canopy (CVE-2017-11289)
  • Alexis Laborier (CVE-2017-11287)
  • Pedro Cardoso (CVE-2017-11288)
  • Deniz CEVIK from Biznet Bilisim A.S (CVE-2017-11291)