Mar 27, 2026 - For details about updated CVE-2025-53521 (BIG-IP APM vulnerability), refer to K000156741.

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am_gli_287451
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Dec 07, 2017

ssl_shim_vfycerterr:4539: application verification failure

Hi, after the Announcement regarding RSA vulnerability two weeks ago, we updated one of our BigIP from 11.5.3 to 12.1.2 HF2. We still have another F5 with 11.5.3 and the same application in place. ...