Is CVE-2021-3044 actively exploited?

No active exploitation of CVE-2021-3044 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-3044 be exploited remotely?

Yes. CVE-2021-3044 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-3044?

CVE-2021-3044 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2021-3044

CWE-285Published: June 22, 2021· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2021-3044 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.