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CVE-2025-1146— CrowdStrike Falcon Sensor for Linux TLS Issue

Quick assessment

Affected
CrowdStrike Falcon sensor for Linux
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.

CrowdStrike Falcon是美国CrowdStrike公司的一个端点、云和身份保护产品。 CrowdStrike Falcon存在安全漏洞，该漏洞源于TLS连接例程验证逻辑错误，会导致受到中间人攻击。受影响产品如下： Falcon Sensor for Linux、Falcon Kubernetes Admission Controller和Falcon Container Sensor。

CVSS 8.1 · High EPSS 0.26% · P17
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I. Basic Information for CVE-2025-1146

Vulnerability Information
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Vulnerability Title
CrowdStrike Falcon Sensor for Linux TLS Issue
Source: CVE Program / CVE List V5
Vulnerability Description
CrowdStrike uses industry-standard TLS (transport layer security) to secure communications from the Falcon sensor to the CrowdStrike cloud. CrowdStrike has identified a validation logic error in the Falcon sensor for Linux, Falcon Kubernetes Admission Controller, and Falcon Container Sensor where our TLS connection routine to the CrowdStrike cloud can incorrectly process server certificate validation. This could allow an attacker with the ability to control network traffic to potentially conduct a man-in-the-middle (MiTM) attack. CrowdStrike identified this issue internally and released a security fix in all Falcon sensor for Linux, Falcon Kubernetes Admission Controller, and Falcon Container Sensor versions 7.06 and above. CrowdStrike identified this issue through our longstanding, rigorous security review process, which has been continually strengthened with deeper source code analysis and ongoing program enhancements as part of our commitment to security resilience. CrowdStrike has no indication of any exploitation of this issue in the wild. CrowdStrike has leveraged its world class threat hunting and intelligence capabilities to actively monitor for signs of abuse or usage of this flaw and will continue to do so. Windows and Mac sensors are not affected by this.
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
证书信任链回溯不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
CrowdStrike Falcon 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CrowdStrike Falcon是美国CrowdStrike公司的一个端点、云和身份保护产品。 CrowdStrike Falcon存在安全漏洞，该漏洞源于TLS连接例程验证逻辑错误，会导致受到中间人攻击。受影响产品如下： Falcon Sensor for Linux、Falcon Kubernetes Admission Controller和Falcon Container Sensor。
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
CrowdStrike Falcon sensor for Linux 7.21.17405 -
CrowdStrike Falcon Kubernetes Admission Controller 7.21.1904 -
CrowdStrike Falcon Container Sensor 7.21.6003 -

II. Public POCs for CVE-2025-1146

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III. Intelligence Information for CVE-2025-1146

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Vendor Advisories for CVE-2025-1146 (1)

IV. Related Vulnerabilities

Same vendor: CrowdStrike
Same weakness: CWE-296

V. Comments for CVE-2025-1146

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