8.1

CVE-2021-3051: palo alto networks cortex xsoar

CVSS: 8.1v3.1HighModified
Published 08-09-2021Last modified 17-09-2024
Open JSON

Vulnerability summary

CVE-2021-3051 is a high (CVSS 8.1) vulnerability in palo alto networks cortex xsoar. EPSS estimates a 0.58% chance of exploitation in the next 30 days, higher than 46.9% of scored vulnerabilities.

Overall risk
33/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.1/10
010
High · v3.1 (CVE.org)
EPSS score
0.58%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 08-09-2021
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.58%

Chance of exploitation in the next 30 days

Percentile

47%

Versus all other CVEs

30-day change

0.00 pp

From 0.58% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.58%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Palo alto networks1 product
  • cortex xsoar≥ 5.5.0, < 1578677 | ≥ 6.0.2, < 1576452 | ≥ 6.1.0, < 1578663 | ≥ 6.2.0, < 1578666
Paloaltonetworks1 product
  • cortex_xsoar5.5.0 | 5.5.0:70066 | 5.5.0:73387 | 5.5.0:75211 | 5.5.0:78518 | 5.5.0:94592 | 6.0.2 | 6.0.2:90947 | 6.0.2:93351 | 6.0.2:94597 | 6.0.2:97682 | 6.1.0 | 6.1.0:1016923 | 6.1.0:1031903 | 6.1.0:1077664 | 6.1.0:1209934 | 6.1.0:1271079 | 6.1.0:848144 | 6.2.0 | 6.2.0:1271082 | 6.2.0:1321594 | 6.2.0:1473927

2 vendors · 2 products

References

1 links