PT-2020-15225 · Palo Alto Networks · Pan-Os

Rotem Zach + 2 · Published 2020-05-13 · Updated 2020-05-19 · CVE-2020-2002

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Palo Alto Networks PAN-OS versions prior to 7.1.26 Palo Alto Networks PAN-OS versions prior to 8.0.21 Palo Alto Networks PAN-OS versions prior to 8.1.13 Palo Alto Networks PAN-OS versions prior to 9.0.6

Description An authentication bypass by spoofing issue exists in the authentication daemon and User-ID components of Palo Alto Networks PAN-OS. This occurs due to the failure to verify the integrity of the Kerberos key distribution center (KDC) before authenticating users, affecting 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.

Recommendations For versions prior to 7.1.26, update to version 7.1.26 or later. For versions prior to 8.0.21, update to version 8.0.21 or later. For versions prior to 8.1.13, update to version 8.1.13 or later. For versions prior to 9.0.6, update to version 9.0.6 or later.

Fix

Authentication Bypass by Spoofing

Weakness Enumeration

CWE-290

Related Identifiers

CVE-2020-2002

Affected Products

Pan-Os

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2020-2002 · Security Note
• https://osv.dev/vulnerability/CVE-2020-2002 · Vendor Advisory
• https://security.paloaltonetworks.com/CVE-2020-2002 · Vendor Advisory
• https://github.com/silverfort-open-source/kdc-spoofing-detection · Note
• https://t.me/cybersecuritytechnologies/1141 · Telegram Post
• https://t.me/cvenotify/3764 · Telegram Post