CVE-2019-25714

Seeyon Office Anywhere (OA) A8 Unauthenticated Arbitrary File Write via htmlofficeservlet

Published Apr 21, 2026 CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
Description
Seeyon OA A8 contains an unauthenticated arbitrary file write vulnerability in the /seeyon/htmlofficeservlet endpoint that allows remote attackers to write arbitrary files to the web application root by sending specially crafted POST requests with custom base64-encoded payloads. Attackers can write JSP webshells to the web root and execute them through the web server to achieve arbitrary OS command execution with web server privileges. Exploitation evidence was first observed by the Shadowserver Foundation on 2021-03-26 (UTC).

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Ibm
Ibm collaborative Lifecycle Management
CPEs cpe:2.3:a:ibm:collaborative_lifecycle_management:6.1sp1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:collaborative_lifecycle_management:7.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:collaborative_lifecycle_management:7.0sp1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:collaborative_lifecycle_management:7.0sp2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:collaborative_lifecycle_management:7.0sp3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:collaborative_lifecycle_management:7.1:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm collaborative Lifecycle Management
Type Values Removed Values Added
First Time appeared Seeyon Internet Software
Seeyon Internet Software a8+ Collaborative Management Software
Seeyon Internet Software a8-v5 Collaborative Management Software
Vendors & Products Seeyon Internet Software
Seeyon Internet Software a8+ Collaborative Management Software
Seeyon Internet Software a8-v5 Collaborative Management Software
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Seeyon OA A8 contains an unauthenticated arbitrary file write vulnerability in the /seeyon/htmlofficeservlet endpoint that allows remote attackers to write arbitrary files to the web application root by sending specially crafted POST requests with custom base64-encoded payloads. Attackers can write JSP webshells to the web root and execute them through the web server to achieve arbitrary OS command execution with web server privileges. Exploitation evidence was first observed by the Shadowserver Foundation on 2021-03-26 (UTC).
Title Seeyon Office Anywhere (OA) A8 Unauthenticated Arbitrary File Write via htmlofficeservlet
Weaknesses CWE-434
References
Metrics cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Jul 28, 2026, 1:47 AM
Reserved
Apr 21, 2026, 3:54 PM
Status
Deferred
Published
Apr 21, 2026, 5:16 PM
Modified
Jun 17, 2026, 2:33 AM