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samstep's avatar
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Sep 05, 2021

Atlassian Confluence Critical CVE-2021-26084 Mitigation with F5 ASM / F5 WAF

The Confluence CVE-2021-26084 critical vulnerability is in active exploitation, quick mitigation on ASM is to add the following URL to the Disallowed URL:


Make sure that you enable blocking on the 'Ilegal URL' violation.

Patch/update your Confluence:

Link to Confluence Security Advisory - 2021-08-25: