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Rewterz Threat Alert – GoldenSpy Malware

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Rewterz Threat Advisory – CVE-2020-2021 – Palo Alto Authentication Bypass in SAML Authentication

Severity

High

Analysis Summary

When Security Assertion Markup Language (SAML) authentication is enabled and the ‘Validate Identity Provider Certificate’ option is disabled (unchecked), improper verification of signatures in PAN-OS SAML authentication enables an unauthenticated network-based attacker to access protected resources. The attacker must have network access to the vulnerable server to exploit this vulnerability.

Impact

Authentication bypass

Affected Vendors

Palo Alto

Affected Products

  • PAN-OS 8.1 versions earlier than PAN-OS 8.1.15
  • PAN-OS 9.1 versions earlier than PAN-OS 9.1.3
  • PAN-OS 9.0 versions earlier than PAN-OS 9.0.9
  • all versions of PAN-OS 8.0 (EOL)

Remediation

Refer to vendor’s advisory for the list of affected version and respective patches.

https://security.paloaltonetworks.com/CVE-2020-2021

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