SAML authentication bypass in PAN-OS



Published: 2020-06-30
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-2021
CWE-ID CWE-287
Exploitation vector Network
Public exploit Vulnerability #1 is being exploited in the wild.
Vulnerable software
Subscribe 		Palo Alto PAN-OS
Operating systems & Components / Operating system

Vendor Palo Alto Networks, Inc.

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) SAML authenticated bypass

EUVDB-ID: #VU29387

Risk: High

CVSSv3.1: 9.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2020-2021

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in when processing SAML authentication requests. A remote attacker can bypass authentication process and gain unauthorized access to protected resources.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Palo Alto PAN-OS: 7.1 - 9.1.2

External links

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


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.



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