Improper Verification of Cryptographic Signature in Cortex XSOAR - CVE-2021-3051

 

Improper Verification of Cryptographic Signature in Cortex XSOAR - CVE-2021-3051

Published: September 8, 2021


Vulnerability identifier: #VU56411
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-3051
CWE-ID: CWE-347
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Palo Alto Networks, Inc.
Affected software:
Cortex XSOAR

Detailed vulnerability description

The vulnerability allows a remote attacker to bypass SAML authentication.

The vulnerability exists due to improper verification of cryptographic signature vulnerability exists in Cortex XSOAR SAML authentication. A remote non-authenticated attacker with specific knowledge of the Cortex XSOAR instance can access protected resources and perform unauthorized actions on the Cortex XSOAR server.

Successful exploitation of the vulnerability may allow an attacker to compromise the affected system.


How to mitigate CVE-2021-3051

Install updates from vendor's website.

Sources