Cortex XDR Agent: Exceptional condition denial-of-service (DoS)

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.

Scores

EPSS (exploitation in 30 days)

0.31% · top 76% of all CVEs (4 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.

Weakness

• CWE-755 Improper Handling of Exceptional Conditions (opens in a new tab)All about CWE-755 and its CVEs

Affected products

• Palo Alto Networks · Cortex XDR Agent

  • affected 7.0 – < 7.0.3
  • affected 7.1 – < 7.1.2
  • affected 5.0 – < 5.0.10
  • affected 6.1 – < 6.1.7
  • unaffected 7.2.0 – < 7.2*

What to do

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.

References (1)

• https://security.paloaltonetworks.com/CVE-2020-2020 (opens in a new tab)x_refsource_MISCx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2020-2020](https://trackcve.app/badge/CVE-2020-2020.svg)](https://trackcve.app/cve/CVE-2020-2020)

Record last updated 16 Sept 2024, 20:17 UTC.