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

Forum Discussion

Maneesh_72711's avatar
Maneesh_72711
Icon for Cirrostratus rankCirrostratus
7 years ago

Issue in making API calls to F5 LTM/GTM.

I am having issues in making API calls to F5 running ver12.1.2. Attached is the screenshot of the Authorization Failed error.   Can someone help, there are other F5's running same version 12.1.2 w...
application delivery
LTM
Lee_Sutcliffe's avatar
Lee_Sutcliffe
Icon for Nacreous rankNacreous
7 years ago

How are you providing authorisation?

Can you try the following (replace admin admin with your credentials)

curl -X POST -H "Content-Type: application/json" -H "Cache-Control: no-cache" -d '{
    "username":"admin",
    "password":"admin",
    "loginProviderName": "tmos"
}' "https://your-bigip.com/mgmt/shared/authn/login"