What is CVE-2024-39350?

CVE-2024-39350 is a high-severity vulnerability in Synology Bc500, classified under Authentication Bypass by Spoofing. CVSS score: 7.5/10. Published 2024-06-28.

How severe is CVE-2024-39350?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2024-39350 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Synology Bc500

CVE-2024-39350

A vulnerability regarding authentication bypass by spoofing is found in the RTSP functionality. This allows man-in-the-middle attackers to obtain privileges without consent via unspecified vectors. The following models with Synology Camera Firmware versions before 1.0.7-0298 may be affected: BC500 and TC500.

Published 2024-06-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (49.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-290 — Authentication Bypass by Spoofing

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

www.synology.com/en-global/security/advisory/Synology_SA_23_15 (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2024-39350?: CVE-2024-39350 is a high-severity vulnerability in Synology Bc500, classified under Authentication Bypass by Spoofing. CVSS score: 7.5/10. Published 2024-06-28.
How severe is CVE-2024-39350?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2024-39350 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.