Description
JeecgBoot through 3.9.5 contains a missing authorization vulnerability that allows low-privileged authenticated users to send system announcements by calling POST /sys/api/sendSysAnnouncement. Attackers can supply arbitrary title, content, fromUser and toUser values to deliver forged announcements to any users via WebSocket, WeCom, DingTalk and Feishu.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| jeecgboot | JeecgBoot | ≤ 3.9.5 | — |
References
- Researcher Proof of Concept exploit
- Vulnerable Code (v3.9.5) technical-description
- VulnCheck Advisory: JeecgBoot through 3.9.5 Missing Authorization via /sys/api/sendSysAnnouncement third-party-advisory