# Denial of Service and Authentication Bypass Vulnerability in multiple Bosch products

CVE record · `CVE-2021-23859`

- **Identifiers:** `CVE-2021-23859`
- **State:** Confirmed
- **Severity:** CVSS 9.1 Critical
- **Critical:** Yes: CVSS 9+
- **CNA:** bosch
- **Weakness (CWE):** [CWE-703](https://cwe.mitre.org/data/definitions/703.html)
- **Tags:** [CWE-703](https://agentprime.io/advisories/tag/cwe-703.md)
- **Technologies:** [Bosch BVMS](https://agentprime.io/advisories/technology/bosch-bvms.md) · [Bosch DIVAR IP 7000 R2](https://agentprime.io/advisories/technology/bosch-divar-ip-7000-r2.md) · [Bosch DIVAR IP all-in-one 5000](https://agentprime.io/advisories/technology/bosch-divar-ip-all-in-one-5000.md) · [Bosch DIVAR IP all-in-one 7000](https://agentprime.io/advisories/technology/bosch-divar-ip-all-in-one-7000.md) · [Bosch VRM](https://agentprime.io/advisories/technology/bosch-vrm.md) · [Bosch VRM Exporter](https://agentprime.io/advisories/technology/bosch-vrm-exporter.md) · [Bosch APE](https://agentprime.io/advisories/technology/bosch-ape.md) · [Bosch AEC](https://agentprime.io/advisories/technology/bosch-aec.md) · [Bosch BIS](https://agentprime.io/advisories/technology/bosch-bis.md)
- **Published:** 8 Dec 2021
- **Updated:** 16 Sept 2024
- **Reviewed by a person:** No

Published by the CVE Program (CNA: bosch) at 8 Dec 2021, 21:17 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Critical

Critical, because:

- CVSS score 9.1: 9.0 or more.

How we decide what’s critical: <https://agentprime.io/advisories/critical.md>

## Affected products, as the CNA wrote them

- Vendor: Bosch. Product: BVMS.
  - affected: `unspecified to 9.0.0, inclusive` (custom)
  - affected: `11.0 to before 11.0.0` (custom)
  - affected: `10.0 to before 10.0.2` (custom)
  - affected: `10.1 to before 10.1.1` (custom)
- Vendor: Bosch. Product: DIVAR IP 7000 R2.
  - affected: `all`
- Vendor: Bosch. Product: DIVAR IP all-in-one 5000.
  - affected: `all`
- Vendor: Bosch. Product: DIVAR IP all-in-one 7000.
  - affected: `all`
- Vendor: Bosch. Product: VRM.
  - affected: `unspecified to 3.81, inclusive` (custom)
  - affected: `4.0 to 4.00.0070, inclusive` (custom)
  - affected: `3.83 to 3.83.0021, inclusive` (custom)
  - affected: `3.82 to 3.82.0057, inclusive` (custom)
- Vendor: Bosch. Product: VRM Exporter.
  - affected: `2.1 to 2.10.0008, inclusive` (custom)
- Vendor: Bosch. Product: APE.
  - affected: `unspecified to 3.8.x.x, inclusive` (custom)
- Vendor: Bosch. Product: AEC.
  - affected: `unspecified to 2.9.1.x, inclusive` (custom)
- Vendor: Bosch. Product: BIS.
  - affected: `unspecified to 4.9, inclusive` (custom)
  - affected: `unspecified to 4.8, inclusive` (custom)
  - affected: `unspecified to 4.7, inclusive` (custom)

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

- 9.1 Critical, CVSS 3.1: `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H`, from CNA (bosch)

- **CISA KEV:** Not listed.
- **EPSS:** 0.010, the 63rd percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

This record came from the full history of the CVE Program, published 8 Dec 2021. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2021-23859](https://www.cve.org/CVERecord?id=CVE-2021-23859)
- [NVD: CVE-2021-23859](https://nvd.nist.gov/vuln/detail/CVE-2021-23859)

### References from the CNA

- <https://psirt.bosch.com/security-advisories/bosch-sa-043434-bt.html> (confirm)

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2021-23859>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2021-23859/>. Everything for agents: <https://agentprime.io/llms.txt>.