CVE-2020-2039 json
PAN-OS: Management web interface denial-of-service (DoS) through unauthenticated file upload
published 2020-09-09 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-22065
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 46.4%
- EPSS 46.4% chance of exploitation in 30 days, percentile 98%
- public exploits
- 0
- none known
Summary
An uncontrolled resource consumption vulnerability in Palo Alto Networks PAN-OS allows for a remote unauthenticated user to upload temporary files through the management web interface that are not properly deleted after the request is finished. It is possible for an attacker to disrupt the availability of the management web interface by repeatedly uploading files until available disk space is exhausted. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.16; PAN-OS 9.0 versions earlier than PAN-OS 9.0.10; PAN-OS 9.1 versions earlier than PAN-OS 9.1.4; PAN-OS 10.0 versions earlier than PAN-OS 10.0.1.
Patch / fix
- Palo Alto Networks PAN-OS 8.1.16, 9.0.10, 9.1.4, 10.0.1
Exploit prediction
46.38% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
| NVD | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Affected products
- Palo Alto Networks PAN-OS
Classification
- Weakness
-
- CWE-400 Uncontrolled Resource Consumption
- Technology feeds
References
-
security.paloaltonetworks.com
/CVE-2020-2039
vendor-advisory
Sources
- CVE List CVE-2020-2039
- NVD CVE-2020-2039
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