CVE-2023-2876: abb rex640_pcl1_firmware Sensitive Cookie Without 'HttpOnly' Flag
Vulnerability summary
CVE-2023-2876 is a medium (CVSS 6.1) Sensitive Cookie Without 'HttpOnly' Flag vulnerability in abb rex640_pcl1_firmware. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 20.5% of scored vulnerabilities.
Timeline
- 13-06-2023PublishedVulnerability first disclosed.
- 03-01-2025Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 2 sources · 1 version- CVE.orgCNA3.1LowCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:NDiffers
EPSS trend
Probability
0.29%
Chance of exploitation in the next 30 days
Percentile
21%
Versus all other CVEs
30-day change
0.00 pp
From 0.29% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-1004Sensitive Cookie Without 'HttpOnly' FlagThe product uses a cookie to store sensitive information, but the cookie is not marked with the HttpOnly flag.
- CWE-732Incorrect Permission Assignment for Critical ResourceThe product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors.
Affected systems
Abb3 products
- rex640_pcl1_firmware≥ 1.0.0, < 1.0.8
- rex640_pcl2_firmware≥ 1.0.0, < 1.1.4
- rex640_pcl3_firmware≥ 1.0.0, < 1.2.1
1 vendor · 3 products
References
1 links- search.abb.com/library/…Vendor Advisory