PAN-OS: Predictable temporary filename vulnerability allows local privilege escalation
Published Mar 11, 2020
7.8
HIGHCVSS 3.1
EPSS 0.36%
Description
A predictable temporary filename vulnerability in PAN-OS allows local privilege escalation. This issue allows a local attacker who bypassed the restricted shell to execute commands as a low privileged user and gain root access on the PAN-OS hardware or virtual appliance. This issue affects only PAN-OS 8.1 versions earlier than PAN-OS 8.1.13. This issue does not affect PAN-OS 7.1, PAN-OS 9.0, or later PAN-OS versions.
Affected products
-
- Version 7.1 !>= 7.1.0StatusaffectedConstraints-
- Version 8.1 !>= 8.1.13StatusaffectedConstraints-
- Version 8.1 < 8.1.13StatusaffectedConstraints-
- Version 9.0 !>= 9.0.0StatusaffectedConstraints-
- Version 9.1 !>= 9.1.0StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Palo Alto Networks | Pan-OS | n/a |
|
- ≥ 8.1.0 · < 8.1.13
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Vendor solution
This issue is fixed in PAN-OS 8.1.13 and all later PAN-OS 8.1 versions.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
1 other source (CVE.org) ▾
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (8 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.36% (0.00362) | 27.66th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.36% (0.00362) | 30.03th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.04% (0.00042) | 5.06th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Jan 6, 2022 | 1.72% (0.01723) | 34.25th | v1 |
| Jan 5, 2022 | 0.39% (0.00389) | 8.24th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.39% (0.00389) | 0.00th | v1 |
References (1)
- https://security.paloaltonetworks.com/CVE-2020-1981 x_refsource_CONFIRMIssue TrackingVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://security.paloaltonetworks.com/CVE-2020-1981 | x_refsource_CONFIRMIssue TrackingVendor Advisory |
Change history (0)
No recorded changes yet.