CVE-2026-20797

4.3 MEDIUM

Published: February 27, 2026 Modified: February 27, 2026

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-057-10.json

Source: ics-cert@hq.dhs.gov

Third Party Advisory

https://webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdate

Source: ics-cert@hq.dhs.gov

Product

https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-10

Source: ics-cert@hq.dhs.gov

Third Party Advisory US Government Resource

3 reference(s) from NVD

Quick Stats

CVSS v3 Score

4.3 / 10.0

EPSS (Exploit Probability)

0.1%

21th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-787

Affected Vendors

copeland

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