CVE-2026-20797: medium-severity vulnerability in Copeland XWEB 300D PRO
Copeland XWEB and XWEB Pro Stack-based Buffer Overflow
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 4.3epss 0.8%
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.
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected products
Copeland · Copeland XWEB 300D PROCopeland · Copeland XWEB 500B PROCopeland · Copeland XWEB 500D PRORelated CVEs — Copeland XWEB 300D PRO
In the same product, most dangerous first.
CVE-2026-24663CRITICALCopeland XWEB and XWEB Pro OS Command InjectionEPSS 3.7%CVE-2026-3037HIGHCopeland XWEB and XWEB Pro OS Command InjectionEPSS 2.1%CVE-2026-20764HIGHCopeland XWEB and XWEB Pro OS Command InjectionEPSS 2.1%CVE-2026-25037HIGHCopeland XWEB and XWEB Pro OS Command InjectionEPSS 2.1%CVE-2026-25196HIGHCopeland XWEB and XWEB Pro OS Command InjectionEPSS 2.1%CVE-2026-25721HIGHCopeland XWEB and XWEB Pro OS Command InjectionEPSS 2.1%