PAN-OS: A format string vulnerability in PAN-OS log daemon (logd) on Panorama allows local privilege escalation
Published Mar 11, 2020
8.1
HIGHCVSS 3.1
EPSS 1.00%
Description
A format string vulnerability in the PAN-OS log daemon (logd) on Panorama allows a network based attacker with knowledge of registered firewall devices and access to Panorama management interfaces to execute arbitrary code, bypassing the restricted shell and escalating privileges. This issue affects only PAN-OS 8.1 versions earlier than PAN-OS 8.1.13 on Panorama. This issue does not affect PAN-OS 7.1, PAN-OS 9.0, or later PAN-OS versions.
Affected products
-
- Version 8.1StatusaffectedConstraints<8.1.13
- Version 7.1.0StatusunaffectedConstraints<7.1*
- Version 9.0.0StatusunaffectedConstraints<9.0*
- Version 9.1.0StatusunaffectedConstraints<9.1*
- 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 |
|
- < 8.1.13
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:N/AC:H/PR:N/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:P/I:P/A:P
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
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.00% (0.01001) | 61.52th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.00% (0.01001) | 58.17th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.63% (0.00631) | 67.88th | v4 (v2025.03.14) |
| Mar 29, 2025 | 1.75% (0.01750) | 71.24th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.04% (0.00044) | 10.76th | v3 (v2023.03.01) |
| Jun 20, 2024 | 0.04% (0.00044) | 10.47th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00044) | 8.45th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.04% (0.01036) | 43.31th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.04% (0.01036) | 39.16th | v2 (v2022.01.01) |
| Mar 31, 2022 | 2.76% (0.02763) | 64.64th | v2 (v2022.01.01) |
| Jan 6, 2022 | 3.20% (0.03197) | 66.14th | v1 |
| Jan 5, 2022 | 0.73% (0.00731) | 50.76th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.73% (0.00731) | 0.00th | v1 |
References (1)
- https://security.paloaltonetworks.com/CVE-2020-1979 x_refsource_MISCVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://security.paloaltonetworks.com/CVE-2020-1979 | x_refsource_MISCVendor Advisory |
Change history (0)
No recorded changes yet.