CVE-2020-1993 - CVE House
Back to Database
Status published Low CVE-2020-1993

PAN-OS: GlobalProtect Portal PHP session fixation vulnerability

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2020-1993

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • This issue was found by a customer.

References

More from Palo Alto Networks

View All →
CVE-2025-4619
PAN-OS: Firewall Denial of Service (DoS) Using Specially Crafted Packets
Medium 6.6
CVE-2025-4618
Prisma Browser: Sensitive Information Disclosure Vulnerability in Prisma Browser
Medium 4.4
CVE-2025-4617
Prisma Browser: Insufficient Policy Enforcement Vulnerability in Prisma Browser
Low 1.1
CVE-2025-4616
Prisma Browser: Insufficient Validation of Untrusted Input Vulnerability in Prisma Browser
Low 1.1
CVE-2025-4615
PAN-OS: Improper Neutralization of Input in the Management Web Interface
Medium 5.5

Affected Vendor

Palo Alto Networks

View all reports →

Affected Software

PAN-OS
Vulnerable Versions:
8.0.*, 7.1.*, 8.1, 9.0, 9.2.0, 9.1.0

Timeline

Official Publish: May 13th, 2020
Last Modified: September 16th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N

Weaknesses (CWE)

CWE-384

MITRE ATT&CK TTPs

T1189 Drive-by Compromise
Initial Access
T1078 Valid Accounts
Persistence
T1539 Steal Web Session Cookie
Credential Access