CVE-2026-20797
4.3
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Copeland | Copeland XWEB 300D PRO | 0 <= 1.12.1 | affected |
| Copeland | Copeland XWEB 500D PRO | 0 <= 1.12.1 | affected |
| Copeland | Copeland XWEB 500B PRO | 0 <= 1.12.1 | affected |
Weaknesses
- WE-121
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdate
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-10
- https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-057-10.json
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