Description

A stack based buffer overflow exists in an API route of XWEB Pro version 1.12.1 and prior, enabling unauthenticated attackers to cause stack corruption and a termination of the program.

INFO

Published Date :

2026-02-27T01:03:18.783Z

Last Modified :

2026-03-02T14:25:33.427Z

Source :

icscert
AFFECTED PRODUCTS

The following products are affected by CVE-2026-20797 vulnerability.

Vendors Products
Copeland
  • Copeland Xweb 300d Pro
  • Copeland Xweb 500b Pro
  • Copeland Xweb 500d Pro
  • Xweb 300d Pro
  • Xweb 300d Pro Firmware
  • Xweb 500b Pro
  • Xweb 500b Pro Firmware
  • Xweb 500d Pro
  • Xweb 500d Pro Firmware
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-20797.

URL Resource
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-057-10.json cve-icon cve-icon
https://webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdate cve-icon cve-icon
https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-10 cve-icon cve-icon
Login to claim this CVE

CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact