XXE in Beecue Fastbee

CVE-2025-15251

A vulnerability was detected in beecue FastBee up to 2.1. Impacted is the function getRootElement of the file springboot/fastbee-server/sip-server/src/main/java/com/fastbee/sip/handler/req/ReqAbstractHandler.java of the component SIP Message Handler. The manipulation results in xml external entity reference. It is possible to launch the attack remotely. A high complexity level is associated with this attack. The exploitability is considered difficult. The project owner replied to the issue report: "Okay, we'll handle it as soon as possible."

EPSS: 0.003 (21.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-15251?
CVE-2025-15251 is a medium-severity vulnerability in Beecue Fastbee, classified under Externally Controlled Reference to a Resource in Another Sphere. CVSS score: 5.6/10. Published 2025-12-30.
How severe is CVE-2025-15251?
Medium severity. CVSS v3 base score is 5.6 out of 10.