CAYIN CMS-WS, CMS-SE, and SMP series products developed by CAYIN Technology have an Arbitrary File Upload vulnerability. Privileged remote attackers can upload and execute web shells backdoors, thereby enabling arbitrary code execution on the server.
History

Fri, 28 Aug 2026 21:00:00 +0000

Type Values Removed Values Added
First Time appeared Cayin Technology
Cayin Technology cayin Cms-se
Cayin Technology cayin Cms-ws
Cayin Technology cayin Smp
Vendors & Products Cayin Technology
Cayin Technology cayin Cms-se
Cayin Technology cayin Cms-ws
Cayin Technology cayin Smp

Wed, 26 Aug 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 26 Aug 2026 08:30:00 +0000

Type Values Removed Values Added
Description CAYIN CMS-WS, CMS-SE, and SMP series products developed by CAYIN Technology have an Arbitrary File Upload vulnerability. Privileged remote attackers can upload and execute web shells backdoors, thereby enabling arbitrary code execution on the server.
Title CAYIN Technology|CAYIN CMS-WS/CMS-SE/SMP - Arbitrary File Upload
Weaknesses CWE-434
References
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: twcert

Published: 2026-08-26T08:19:40.187Z

Updated: 2026-08-26T13:58:21.259Z

Reserved: 2026-08-26T05:58:48.754Z

Link: CVE-2026-80233

cve-icon Vulnrichment

Updated: 2026-08-26T13:58:17.124Z

cve-icon NVD

Status : Deferred

Published: 2026-08-26T09:16:48.717

Modified: 2026-08-26T16:40:21.650

Link: CVE-2026-80233

cve-icon Redhat

No data.