CVE-2020-1979 - CVE House
Back to Database
Status published High CVE-2020-1979

PAN-OS: A format string vulnerability in PAN-OS log daemon (logd) on Panorama allows local privilege escalation

Vulnerability Description

A format string vulnerability in the PAN-OS log daemon (logd) on Panorama allows a network based attacker with knowledge of registered firewall devices and access to Panorama management interfaces to execute arbitrary code, bypassing the restricted shell and escalating privileges. This issue affects only PAN-OS 8.1 versions earlier than PAN-OS 8.1.13 on Panorama. This issue does not affect PAN-OS 7.1, PAN-OS 9.0, or later PAN-OS versions.

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-2020-1979

Credits & Attribution

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

  • This issue was discovered by Nicholas Newsom of Palo Alto Networks during an internal security review.

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:
8.1, 9.0.0, 7.1.0, 9.1.0

Timeline

Official Publish: March 11th, 2020
Last Modified: September 17th, 2024
Added to House: July 21st, 2026

CVSS Vectors

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

Weaknesses (CWE)

CWE-134

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.