Apache have reported a vulnerability in the Commons Collection library as per
This affects the 3.1 version of the library and it is corrected in version 3.2.2 and 4.1
According to the release notes for CA Single Sign On 12.52 SP1
Common Collections 3.1 is used here
Is there any fix to address the Commons Collection library java de-serialisation vulnerability discovered in version 3.1 for CA Single Sign On 12.52 SP1?
This has been fixed and verified in R12.52 SP1 CR06 for Policy Server, AdminUI and Secure Proxy Server in a variety of systems. Please upgrade to this release to correct this.