CVE-2019-25714

Published: Apr 21, 2026 Last Modified: Apr 22, 2026
ExploitDB:
Other exploit source:
Google Dorks:
CRITICAL 9,3
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A

Description

AI Translation Available

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).

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0078
Percentile
0,7th
Updated

EPSS Score Trend (Last 3 Days)

434

Unrestricted Upload of File with Dangerous Type

Draft
Common Consequences
Security Scopes Affected:
Integrity Confidentiality Availability
Potential Impacts:
Execute Unauthorized Code Or Commands
Applicable Platforms
Languages: ASP.NET, Not Language-Specific, PHP
Technologies: AI/ML, Web Server
View CWE Details
https://sourceforge.net/software/product/A8/
https://static-aliyun-doc.oss-cn-hangzhou.aliyuncs.com/download/pdf/90916/Secur…
https://web.archive.org/web/20190821034711/http://wyb0.com/posts/2019/seeyon-ht…
https://wiki.96.mk/Web%E5%AE%89%E5%85%A8/%E8%87%B4%E8%BF%9Coa/%E8%87%B4%E8%BF%9…
https://www.broadcom.com/support/security-center/attacksignatures/detail?asid=3…
https://www.fortiguard.com/encyclopedia/ips/48874/seeyon-office-anywhere-htmlof…
https://www.vulncheck.com/advisories/seeyon-office-anywhere-oa-a8-unauthenticat…