Adobe Security Bulletin
Security updates available for Adobe Connect | APSB18-06
Bulletin ID Date Published Priority
APSB18-06 March 13, 2018 3


Adobe has released a security update for Adobe Connect. This update resolves an unrestricted SWF file upload vulnerability (CVE-2018-4921), which could be exploited to conduct cross-site scripting attacks. This update also resolves an OS command injection vulnerability in the Adobe Connect URI handler on Windows (CVE-2018-4923) that could result in unintended arbitrary local file removal or forced uninstall of the application.

Affected product versions

Product Version Platform
Adobe Connect 9.7 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 9.7.5 All 3 Release note

Vulnerability details

Vulnerability Category Vulnerability Impact Severity CVE Number
OS Command Injection Arbitrary file deletion Important CVE-2018-4923
Unrestricted SWF File Upload Information disclosure Important CVE-2018-4921


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

  • Ciaran McNally (CVE-2018-4921)
  • Rgod (CVE-2018-4923)