CVE-2020-1990
PAN-OS: Buffer overflow in the management server
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
PAN-OS: Buffer overflow in the management server
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.
- Record
CVE-2020-1990- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-121
- Updated
- 2026-11-02
EUVDEUVD-2020-12780
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.
- Record
EUVD-2020-12780- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cm7j-2j4j-9pf4 No score
A stack-based buffer overflow vulnerability in the management server component of PAN-OS allows...
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.
- Record
GHSA-cm7j-2j4j-9pf4- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2020-1990- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 9.0 High
AV:N/AC:L/Au:S/C:C/I:C/A:C - Weakness
- CWE-121, CWE-787
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-1990 is a high vulnerability (CVSS 7.2) in Palo Alto Networks Pan-os, published April 8, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.13%, the 82nd percentile. No source names a fixed version.