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Security Bulletin: Denial of service vulnerability affecting Aspera Connect 3.7 or 3.8

Security Bulletin


A vulnerability, if exploited, could disable or impair the use of certain versions of Aspera Connect.

UPDATE 12/9/2019: The certificate for has been revoked, as a result, Aspera Connect 3.7 and 3.8 no longer function on Firefox and Safari. The web application integrated with Connect must upgrade to Connect 3.9.x SDK and set the Connect minVersion to 3.9.0. End users must upgrade to Connect 3.9 and enable the corresponding web browser extension.

Vulnerability Details

DESCRIPTION: Aspera Connect 3.7 or 3.8 are vulnerable to a lost of functionality (denial of service) if the certificate is revoked.  Confidentiality and integrity of the data are unaffected.
CVSS Base Score: 7.5
CVSS Temporal Score: 7.2
CVSS Environmental Score*: Undefined

Affected Products and Versions

  • IBM Aspera Connect 3.7.x, 3.8.x
  • IBM Aspera Connect 3.7.x or 3.8.x SDK


Product VRMF APAR Remediation/First Fix
IBM Aspera Connect  3.9.0 None
IBM Aspera Connect SDK 3.10.0 None
  • To ensure uninterrupted service, IBM recommends upgrading your web application to use Connect SDK 3.10.0 or newer and configure the minimum version of the client to 3.10.0.
  • Customers pointing their web application to our default Connect SDK URL (, the URL will be upgraded by June 24, 2019.  Once that  happens, please configure your web application's minimum version of the client to 3.10.0.

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This vulnerability was reported to IBM by SEC Consult.

Change History

- Original: 15 June 2019
- Updated: 10 December 2019

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.


Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Internal Use Only

Document Location


[{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SS8NDZ","label":"IBM Aspera"},"Component":"Connect","Platform":[{"code":"PF016","label":"Linux"},{"code":"PF017","label":"Mac OS"},{"code":"PF033","label":"Windows"}],"Version":"3.7;3.8","Edition":"","Line of Business":{"code":"LOB45","label":"Automation"}}]

Document Information

Modified date:
23 October 2020