What is CVE-2021-3051?

CVE-2021-3051 is a high-severity vulnerability in Palo Alto Networks Cortex Xsoar, classified under Improper Verification of Cryptographic Signature. CVSS score: 8.1/10. Published 2021-09-08.

How severe is CVE-2021-3051?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Palo Alto Networks Cortex Xsoar

CVE-2021-3051

An improper verification of cryptographic signature vulnerability exists in Cortex XSOAR SAML authentication that enables an unauthenticated network-based attacker with specific knowledge of the Cortex XSOAR instance to access protected re…

EPSS: 0.006 (44.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Palo Alto Networks Cortex Xsoar — versions 5.5.0, 6.0.2, 6.1.0
Paloaltonetworks Cortex_xsoar — versions 5.5.0, 6.0.2, 6.1.0

Weakness classification (CWE)

CWE-347 — Improper Verification of Cryptographic Signature

References

psirt@paloaltonetworks.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-3051?: CVE-2021-3051 is a high-severity vulnerability in Palo Alto Networks Cortex Xsoar, classified under Improper Verification of Cryptographic Signature. CVSS score: 8.1/10. Published 2021-09-08.
How severe is CVE-2021-3051?: High severity. CVSS v3 base score is 8.1 out of 10.