Last Modified: Apr 28, 2025
Affected Product(s):
BIG-IP ASM
Fixed In:
17.1.0
Opened: Jul 18, 2022 Severity: 3-Major
Under certain condition, ASM may not process signatures as expected.
Signature matching is skipped.
If authorization header type is Bearer and base64 violations are not configured as blocking.
Illegal base64 value violation should be set to blocking. If base64 decoding fails, then the requests are blocked.
ASM now processes signature as expected.