CVE-2020-2002

PAN-OS: Spoofed Kerberos key distribution center authentication bypass

State: Published
Severity: 8.1 High
Published: May 13, 2020
Updated: Sep 17, 2024
Reserved: Dec 4, 2019

Description

An authentication bypass by spoofing vulnerability exists in the authentication daemon and User-ID components of Palo Alto Networks PAN-OS by failing to verify the integrity of the Kerberos key distribution center (KDC) before authenticating users. This affects all forms of authentication that use a Kerberos authentication profile. A man-in-the-middle type of attacker with the ability to intercept communication between PAN-OS and KDC can login to PAN-OS as an administrator. This issue affects: PAN-OS 7.1 versions earlier than 7.1.26; PAN-OS 8.1 versions earlier than 8.1.13; PAN-OS 9.0 versions earlier than 9.0.6; All version of PAN-OS 8.0.

Scores

CVSS	Score	Vector	Source
3.1	8.1 High	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H	palo_alto

Weaknesses

CWE-290 Authentication Bypass by Spoofing

Affected Products

Product	Versions
PAN-OSPalo Alto Networks	8.0.*Affected 8.1 to before 8.1.13Affectedfrom 8.1.13Not affected 9.0 to before 9.0.6Affectedfrom 9.0.6Not affected 7.1 to before 7.1.26Affectedfrom 7.1.26Not affected

References

https://security.paloaltonetworks.com/CVE-2020-2002

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.