CVE-2023-28175 — Improper Authorization in SSH server in Bosch VMS 11

Improper Authorization in SSH server in Bosch VMS 11.0, 11.1.0, and 11.1.1 allows a remote authenticated user to access resources within the trusted internal network via a port forwarding request.

01What is this vulnerability?

Improper Authorization in SSH server in Bosch VMS 11.0, 11.1.0, and 11.1.1 allows a remote authenticated user to access resources within the trusted internal network via a port forwarding request.

02Affected products

Vendor	Product	Versions
Bosch	BVMS	7.5
Bosch	BVMS Viewer	7.5
Bosch	Bosch DIVAR IP 3000	7.5
Bosch	Bosch DIVAR IP 7000 R1	7.5
Bosch	Bosch DIVAR IP 7000 R2	7.5
Bosch	Bosch DIVAR IP all	in-one 7000 R3 — 10.1.1
Bosch	Bosch DIVAR IP all	in-one 5000 — 9.0
Bosch	Bosch DIVAR IP all	in-one 7000 — 9.0
Bosch	DIVAR IP all	in-one 4000 — 11.1.1
Bosch	DIVAR IP all	in-one 6000 — 11.1.1

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-06-15T10:14:34.076Z
• Last modified: 2024-12-17T20:51:14.639Z

09References

• psirt.bosch.com — https://psirt.bosch.com/security-advisories/BOSCH-SA-025794-bt.html