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CVE-2023-2876— Session cookie exposure for client side script

Quick assessment

Affected
ABB REX640 PCL1
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.

ABB REX640是瑞士ABB公司的一款一体化保护继电器。适用于各种先进配电场景。 ABB REX640 PCL1、ABB REX640 PCL2和ABB REX640 PCL3存在安全漏洞，该漏洞源于存在跨站脚本（XSS）漏洞。

CVSS 3.1 · Low EPSS 0.29% · P22
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I. Basic Information for CVE-2023-2876

Vulnerability Information
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Vulnerability Title
Session cookie exposure for client side script
Source: CVE Program / CVE List V5
Vulnerability Description
Sensitive Cookie Without 'HttpOnly' Flag vulnerability in ABB REX640 PCL1 (firmware modules), ABB REX640 PCL2 (Firmware modules), ABB REX640 PCL3 (firmware modules) allows Cross-Site Scripting (XSS).This issue affects REX640 PCL1: from 1.0;0 before 1.0.8; REX640 PCL2: from 1.0;0 before 1.1.4; REX640 PCL3: from 1.0;0 before 1.2.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
没有’HttpOnly’标志的敏感Cookie
Source: CVE Program / CVE List V5
Vulnerability Title
ABB REX640 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ABB REX640是瑞士ABB公司的一款一体化保护继电器。适用于各种先进配电场景。 ABB REX640 PCL1、ABB REX640 PCL2和ABB REX640 PCL3存在安全漏洞，该漏洞源于存在跨站脚本（XSS）漏洞。
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
ABB REX640 PCL1 1.0;0 ~ 1.0.8 -
ABB REX640 PCL2 1.0;0 ~ 1.1.4 -
ABB REX640 PCL3 1.0;0 ~ 1.2.1 -

II. Public POCs for CVE-2023-2876

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2023-2876

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Other References for CVE-2023-2876 (1)

IV. Related Vulnerabilities

Same product: REX640 PCL1
Same vendor: ABB
Same weakness: CWE-1004