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AUSCERT External Security Bulletin Redistribution
GlobalProtect Portal PHP session fixation vulnerability
14 May 2020
AusCERT Security Bulletin Summary
Product: GlobalProtect Portal
Publisher: Palo Alto
Operating System: Network Appliance
Impact/Access: Reduced Security -- Remote with User Interaction
CVE Names: CVE-2020-1993
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Palo Alto Networks Security Advisories / CVE-2020-1993
CVE-2020-1993 PAN-OS: GlobalProtect Portal PHP session fixation vulnerability
Severity 3.7 . LOW
Attack Vector NETWORK
Attack Complexity HIGH
Privileges Required LOW
User Interaction REQUIRED
Confidentiality Impact LOW
Integrity Impact LOW
Availability Impact NONE
The GlobalProtect Portal feature in PAN-OS does not set a new session
identifier after a successful user login, which allows session fixation
attacks, if an attacker is able to control a user's session ID.
This issue affects:
All PAN-OS 7.1 and 8.0 versions;
PAN-OS 8.1 versions earlier than 8.1.14;
PAN-OS 9.0 versions earlier than 9.0.8.
Versions Affected Unaffected
9.2 >= 9.2.0
9.1 >= 9.1.0
9.0 < 9.0.8 >= 9.0.8
8.1 < 8.1.14 >= 8.1.14
CVSSv3.1 Base Score: 3.7 (CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N)
This issue is fixed in PAN-OS 8.1.14, PAN-OS 9.0.8, PAN-OS 9.1.0, PAN-OS 9.2.0,
and all later PAN-OS versions.
PAN-OS 8.0 is now end-of-life as of October 31, 2019, and is no longer covered
by our Product Security Assurance policies.
PAN-OS 7.1 is on extended support until June 30, 2020, and is only being
considered for critical security vulnerability fixes.
Workarounds and Mitigations
There are no known workarounds for this issue.
This issue was found by a customer.
2020-05-13 Initial publication
Policy Report vulnerabilitiesManage subscriptions
(C) 2020 Palo Alto Networks, Inc. All rights reserved.
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