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CVE-2021-3051— Cortex XSOAR: Authentication Bypass in SAML Authentication

Quick assessment

Affected
Palo Alto Networks Cortex XSOAR
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Palo Alto Cortex XSOAR是美国 （Palo Alto）公司的一个应用软件。提供安全编排，自动化和响应平台，带有威胁情报管理和内置市场。 Palo Alto Cortex XSOAR存在安全漏洞，攻击者可利用该漏洞访问受保护的资源并在Cortex XSOAR服务器上执行未经授权的操作。

CVSS 8.1 · High EPSS 0.58% · P46

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-3051

Vulnerability Information
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Vulnerability Title
Cortex XSOAR: Authentication Bypass in SAML Authentication
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
密码学签名的验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Palo Alto Cortex XSOAR 数据伪造问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Palo Alto Cortex XSOAR是美国 （Palo Alto）公司的一个应用软件。提供安全编排，自动化和响应平台，带有威胁情报管理和内置市场。 Palo Alto Cortex XSOAR存在安全漏洞，攻击者可利用该漏洞访问受保护的资源并在Cortex XSOAR服务器上执行未经授权的操作。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Palo Alto Networks Cortex XSOAR 5.5.0 ~ 1578677 -

II. Public POCs for CVE-2021-3051

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III. Intelligence Information for CVE-2021-3051

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Vendor Advisories for CVE-2021-3051 (1)

Same Patch Batch · Palo Alto Networks · 2021-09-08 · 6 CVEs total

CVE-2021-3052 8.0 HIGH PAN-OS: Reflected Cross-Site Scripting (XSS) in Web Interface
CVE-2021-3053 7.5 HIGH PAN-OS: Exceptional Condition Denial-of-Service (DoS)
CVE-2021-3054 7.2 HIGH PAN-OS: Unsigned Code Execution During Plugin Installation Race Condition Vulnerability
CVE-2021-3055 6.5 MEDIUM PAN-OS: XML External Entity (XXE) Reference Vulnerability in the PAN-OS Web Interface
CVE-2021-3049 2.6 LOW Cortex XSOAR: Improper Authorization of Incident Investigations Vulnerability

IV. Related Vulnerabilities

Same product: Cortex XSOAR
Same vendor: Palo Alto Networks
Same weakness: CWE-347

V. Comments for CVE-2021-3051

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