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Fencer Vulns
low 3.1

CVE-2023-2876 json

Session cookie exposure for client side script

published 2023-06-13 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-34324

cvss
3.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 21%
public exploits
0
none known

Summary

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.

Patch / fix

  • ABB REX640 PCL1 1.0.8
  • ABB REX640 PCL2 1.1.4
  • ABB REX640 PCL3 1.2.1

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
22 mo ago

Exploit prediction

0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

  • ABB REX640 PCL1
  • ABB REX640 PCL2
  • ABB REX640 PCL3

Classification

Weakness
  • CWE-1004 Sensitive Cookie Without 'HttpOnly' Flag
  • CWE-732 Incorrect Permission Assignment for Critical Resource

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.