CVE-2020-2041 - CVE House
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Status published High CVE-2020-2041

PAN-OS: Management web interface denial-of-service (DoS)

Vulnerability Description

An insecure configuration of the appweb daemon of Palo Alto Networks PAN-OS 8.1 allows a remote unauthenticated user to send a specifically crafted request to the device that causes the appweb service to crash. Repeated attempts to send this request result in denial of service to all PAN-OS services by restarting the device and putting it into maintenance mode. This issue impacts all versions of PAN-OS 8.0, and PAN-OS 8.1 versions earlier than 8.1.16.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

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

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Credits & Attribution

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

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

References

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CVE-2025-4617
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CVE-2025-4616
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CVE-2025-4615
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Affected Vendor

Palo Alto Networks

View all reports →

Affected Software

PAN-OS
Vulnerable Versions:
9.0.*, 9.1.*, 10.0.*, 8.0.*, 8.1

Timeline

Official Publish: September 9th, 2020
Last Modified: September 16th, 2024
Added to House: July 21st, 2026

CVSS Vectors

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

Weaknesses (CWE)

CWE-16

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.