PAN-OS: Buffer overflow in the management server

Published 6 y ago 2020-04-08 · modified 4 mo ago 2026-06-17 · JSON

CVSS

7.2

v3.1 · CNA

CISA KEV

not known exploited

EPSS

2.1%

percentile 82%

Public exploits

none known

A stack-based buffer overflow vulnerability in the management server component of PAN-OS allows an authenticated user to upload a corrupted PAN-OS configuration and potentially execute code with root privileges. This issue affects Palo Alto Networks PAN-OS 8.1 versions before 8.1.13; 9.0 versions before 9.0.7. This issue does not affect PAN-OS 7.1.

Exploit prediction (EPSS)

2.13% probability of exploitation in the next 30 days, higher than 82% of all scored CVEs.

CVSS scores

Assigned by	Version	Score	Vector
CNA	3.1	7.2	`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H`
CNA	3.1	7.2	`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H`
NVD	3.1	7.2	`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H`
NVD	2.0	9.0	`AV:N/AC:L/Au:S/C:C/I:C/A:C`

Affected products

Palo Alto Networks PAN-OS

Classification

Weakness

CWE-121 Stack-based Buffer Overflow
CWE-787 Out-of-bounds Write

Technology feeds

Palo Alto PAN-OS (RSS, critical only)

References

security.paloaltonetworks.com /CVE-2020-1990 · x_refsource_MISC, x_transferred

Sources

CVE List: CVE-2020-1990
NVD: CVE-2020-1990

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