CVE-2021-3051

Cortex XSOAR: Authentication Bypass in SAML Authentication

HIGH
8.1
CVSS Score
Published: September 8, 2021 at 05:10 PM UTC
Updated: June 17, 2026 at 04:04 AM UTC
1 product affected across 1 vendorCortex XSOAR

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Severity
HIGH8.1
Exploit prediction
EPSS 0.6%

Description

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 resources and perform unauthorized actions on the Cortex XSOAR server. This issue impacts: Cortex XSOAR 5.5.0 builds earlier than 1578677; Cortex XSOAR 6.0.2 builds earlier than 1576452; Cortex XSOAR 6.1.0 builds earlier than 1578663; Cortex XSOAR 6.2.0 builds earlier than 1578666. All Cortex XSOAR instances hosted by Palo Alto Networks are protected from this vulnerability; no additional action is required for these instances.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Affected range stops below 1576452, so it looks safe — our inference, not a vendor statement
Affected range stops below 1578663, so it looks safe — our inference, not a vendor statement
Affected range stops below 1578666, so it looks safe — our inference, not a vendor statement
Affected range stops below 1578677, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

CVSS

8.1HIGHpalo_alto
Attack Vector
NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-347

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