Cortex XDR Agent: Exceptional condition denial-of-service (DoS)
Published Dec 9, 2020
5.5
MEDIUMCVSS 3.1
EPSS 0.31%
Description
An improper handling of exceptional conditions vulnerability in Cortex XDR Agent allows a local authenticated Windows user to create files in the software's internal program directory that prevents the Cortex XDR Agent from starting. The exceptional condition is persistent and prevents Cortex XDR Agent from starting when the software or machine is restarted. This issue impacts: Cortex XDR Agent 5.0 versions earlier than 5.0.10; Cortex XDR Agent 6.1 versions earlier than 6.1.7; Cortex XDR Agent 7.0 versions earlier than 7.0.3; Cortex XDR Agent 7.1 versions earlier than 7.1.2.
Affected products
-
- Version 5.0StatusaffectedConstraints<5.0.10
- Version 6.1StatusaffectedConstraints<6.1.7
- Version 7.0StatusaffectedConstraints<7.0.3
- Version 7.1StatusaffectedConstraints<7.1.2
- Version 7.2.0StatusunaffectedConstraints<7.2*
- 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 | Cortex XDR Agent | n/a |
|
- ≥ 5.0 · < 5.0.10
- ≥ 6.1 · < 6.1.7
- ≥ 7.0 · < 7.0.3
- ≥ 7.1 · < 7.1.2
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Vendor solution
This issue is fixed in Cortex XDR Agent 5.0.10, Cortex XDR Agent 6.1.7, Cortex XDR Agent 7.0.3, Cortex XDR Agent 7.1.2, and all later Cortex XDR Agent versions.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:N/I:N/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
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 | 0.31% (0.00307) | 21.27th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.31% (0.00307) | 23.72th | 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) |
| Feb 4, 2022 | 1.40% (0.01404) | 49.02th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.98% (0.00985) | 27.20th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.22% (0.00221) | 0.00th | v1 |
References (1)
- https://security.paloaltonetworks.com/CVE-2020-2020 x_refsource_MISCVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://security.paloaltonetworks.com/CVE-2020-2020 | x_refsource_MISCVendor Advisory |
Change history (0)
No recorded changes yet.