CVE-2026-20797

Katalog CVE

CVSS 9.8 · Critical EPSS 0,82%

Kerentanan Out-of-bounds Write pada copeland xweb 300d pro firmware, copeland xweb 500d pro firmware +1 lainnya. Skor CVSS 3.1 9.8 (Critical) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

27 Februari 2026

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

9.8 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-787: Out-of-bounds Write
CWE-121: Stack-based Buffer Overflow

EPSS (30 hari)

0,82% peluang dieksploitasi; lebih tinggi dari 55,9% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-10 advisory pihak ketiga · pemerintah AS
• https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-057-10.json advisory pihak ketiga
• https://webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdate product