CVE-2019-25714

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).

The following products are affected by CVE-2019-25714 vulnerability.

Here, you will find a curated list of external links that provide in-depth information to CVE-2019-25714.

URL	Resource
https://sourceforge.net/software/product/A8/
https://static-aliyun-doc.oss-cn-hangzhou.aliyuncs.com/download/pdf/90916/Security_Notification_reseller_en-US.pdf
https://web.archive.org/web/20190821034711/http://wyb0.com/posts/2019/seeyon-htmlofficeservlet-getshell/
https://wiki.96.mk/Web%E5%AE%89%E5%85%A8/%E8%87%B4%E8%BF%9Coa/%E8%87%B4%E8%BF%9C%20OA%20A8%20htmlofficeservlet%20getshell%20%E6%BC%8F%E6%B4%9E/
https://www.broadcom.com/support/security-center/attacksignatures/detail?asid=31713
https://www.fortiguard.com/encyclopedia/ips/48874/seeyon-office-anywhere-htmlofficeservlet-arbitrary-file-upload
https://www.vulncheck.com/advisories/seeyon-office-anywhere-oa-a8-unauthenticated-arbitrary-file-write-via-htmlofficeservlet