CVE-2021-3051 is a vulnerability in Palo Alto Networks Cortex Xsoar
Published on September 8, 2021
Cortex XSOAR: Authentication Bypass in SAML Authentication
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.
Vulnerability Analysis
CVE-2021-3051 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Timeline
Initial publication
Weakness Type
Improper Verification of Cryptographic Signature
The software does not verify, or incorrectly verifies, the cryptographic signature for data.
Products Associated with CVE-2021-3051
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Affected Versions
Palo Alto Networks Cortex XSOAR:- Version 5.5.0 and below 1578677 is affected.
- Version 6.0.2 and below 1576452 is affected.
- Version 6.1.0 and below 1578663 is affected.
- Version 6.2.0 and below 1578666 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.