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CVE-2024-28137— PHOENIX CONTACT: privilege escalation due to a TOCTOU vulnerability in the CHARX Series

Quick assessment

Affected
PHOENIX CONTACT CHARX SEC-3000
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.

PHOENIX CONTACT CHARX SEC是德国菲尼克斯电气（PHOENIX CONTACT）公司的一系列 AC 充电控制器。 PHOENIX CONTACT CHARX SEC-3000 1.5.1及之前版本存在安全漏洞，该漏洞源于低权限的本地攻击者可以使用init脚本执行权限提升。

CVSS 7.8 · High EPSS 0.25% · P15

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2024-28137

Vulnerability Information
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Vulnerability Title
PHOENIX CONTACT: privilege escalation due to a TOCTOU vulnerability in the CHARX Series
Source: CVE Program / CVE List V5
Vulnerability Description
A local attacker with low privileges can perform a privilege escalation with an init script due to a TOCTOU vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
检查时间与使用时间(TOCTOU)的竞争条件
Source: CVE Program / CVE List V5
Vulnerability Title
PHOENIX CONTACT CHARX SEC-3000 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PHOENIX CONTACT CHARX SEC是德国菲尼克斯电气（PHOENIX CONTACT）公司的一系列 AC 充电控制器。 PHOENIX CONTACT CHARX SEC-3000 1.5.1及之前版本存在安全漏洞，该漏洞源于低权限的本地攻击者可以使用init脚本执行权限提升。
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
PHOENIX CONTACT CHARX SEC-3000 0 ~ 1.5.1 -
PHOENIX CONTACT CHARX SEC-3050 0 ~ 1.5.1 -
PHOENIX CONTACT CHARX SEC-3100 0 ~ 1.5.1 -
PHOENIX CONTACT CHARX SEC-3150 0 ~ 1.5.1 -

II. Public POCs for CVE-2024-28137

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III. Intelligence Information for CVE-2024-28137

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Other References for CVE-2024-28137 (1)

Same Patch Batch · PHOENIX CONTACT · 2024-05-14 · 5 CVEs total

CVE-2024-28133 7.8 HIGH PHOENIX CONTACT: Privilege escalation in CHARX Series
CVE-2024-28136 7.8 HIGH PHOENIX CONTACT: command injection gains root privileges using the OCPP remote service
CVE-2024-28134 7.0 HIGH PHOENIX CONTACT: MitM attack gains privileges of the current logged in user in CHARX Serie
CVE-2024-28135 5.0 MEDIUM PHOENIX CONTACT: command injection vulnerability in the API of the CHARX Series

IV. Related Vulnerabilities

Same product: CHARX SEC-3000
Same vendor: PHOENIX CONTACT
Same weakness: CWE-367

V. Comments for CVE-2024-28137

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