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CVE-2021-3044: Cortex XSOAR: Unauthorized Usage of the REST API

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-06-22 · updated 2026-06-17
• Weakness: CWE-285

Description

An improper authorization vulnerability in Palo Alto Networks Cortex XSOAR enables a remote unauthenticated attacker with network access to the Cortex XSOAR server to perform unauthorized actions through the REST API. This issue impacts: Cortex XSOAR 6.1.0 builds later than 1016923 and earlier than 1271064; Cortex XSOAR 6.2.0 builds earlier than 1271065. This issue does not impact Cortex XSOAR 5.5.0, Cortex XSOAR 6.0.0, Cortex XSOAR 6.0.1, or Cortex XSOAR 6.0.2 versions. All Cortex XSOAR instances hosted by Palo Alto Networks are upgraded to resolve this vulnerability. No additional action is required for these instances.

Affected products

• Palo Alto Networks Cortex XSOAR: 6.1.0-1016923, 6.2.0
• Palo Alto Networks Cortex XSOAR: 6.1.0.x from 1016923; from 6.2.0 before 1271065 — fixed in 1271064, 1271065

How to fix

Upgrade to a fixed version: Palo Alto Networks Cortex XSOAR 1271064, 1271065. Check the vendor advisory for mitigations.

References

• https://security.paloaltonetworks.com/CVE-2021-3044
• https://security.paloaltonetworks.com/CVE-2021-3044

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