An improper verification of cryptographic signature vulnerability exists in the Palo Alto Networks Prisma Cloud Compute console. This vulnerability enables an attacker to bypass signature validation during SAML authentication by logging in to the Prisma Cloud Compute console as any authorized user.
This issue impacts:
All versions of Prisma Cloud Compute 19.11, Prisma Cloud Compute 20.04, and Prisma Cloud Compute 20.09; Prisma Cloud Compute 20.12 before update 1.
Prisma Cloud Compute SaaS version is not impacted by this vulnerability.
| Versions | Affected | Unaffected |
|---|---|---|
| Prisma Cloud Compute 20.12 | < update 1 | >= update 1 |
| Prisma Cloud Compute 20.09 | <= update 2 | |
| Prisma Cloud Compute 20.04 | <= update 2 | |
| Prisma Cloud Compute 19.11 | <= update 2 |
This issue impacts only Prisma Cloud Compute configurations that use SAML authentication.
CVSSv3.1 Base Score: 9.1 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N)
Palo Alto Networks is not aware of any malicious exploitation of this issue.
CWE-347 Improper Verification of Cryptographic Signature
This issue is fixed in Prisma Cloud Compute 20.12 update 1 and all later versions.
You can mitigate the impact of this issue by disabling SAML authentication in the Prisma Cloud Compute configuration