Denial of Service (DoS) due to invalid web parameter
Priority LOW 24CWE-400Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-400.
Summary
An authenticated attacker with administrator rights Bosch IP cameras can call an URL with an invalid parameter that causes the camera to become unresponsive for a few seconds and cause a Denial of Service (DoS).
Why it matters now
EPSS 0.00832 57th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Bosch | CPP Firmware | all | — | No fix listed | CNA |
- CPP Firmware VendorBosch Affected all Fixed in — No fix listed CNA
CPE configurations NVD · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:bosch:cpp4_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Bosch |
| cpe:2.3:h:bosch:cpp4:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Bosch |
| cpe:2.3:o:bosch:cpp6_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Bosch |
| cpe:2.3:h:bosch:cpp6:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Bosch |
| cpe:2.3:o:bosch:cpp7_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Bosch |
| cpe:2.3:h:bosch:cpp7:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Bosch |
| cpe:2.3:o:bosch:cpp7.3_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Bosch |
| cpe:2.3:h:bosch:cpp7.3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Bosch |
| cpe:2.3:o:bosch:cpp13_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Bosch |
| cpe:2.3:h:bosch:cpp13:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Bosch |
- cpe:2.3:o:bosch:cpp4_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Bosch
- cpe:2.3:h:bosch:cpp4:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Bosch
- cpe:2.3:o:bosch:cpp6_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Bosch
- cpe:2.3:h:bosch:cpp6:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Bosch
- cpe:2.3:o:bosch:cpp7_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Bosch
- cpe:2.3:h:bosch:cpp7:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Bosch
- cpe:2.3:o:bosch:cpp7.3_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Bosch
- cpe:2.3:h:bosch:cpp7.3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Bosch
- cpe:2.3:o:bosch:cpp13_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Bosch
- cpe:2.3:h:bosch:cpp13:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Bosch
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-23852
- 2026-10-03 Alias added: GHSA-hr85-6mv6-mcm7
References
More Bosch Cpp13 Firmware vulnerabilities
- TI-2021-06216 Improper Input Validation of HTTP Headers CVSS 3.1CRITICAL 9.8
- TI-2021-06212 Cross Site Request Forgery (CSRF) vulnerability in web based management interface CVSS 3.1HIGH 8.8
- TI-2021-06217 Reflected XSS in page parameter CVSS 3.1HIGH 8.3
- TI-2021-06211 Reflected XSS in URL handler CVSS 3.1HIGH 8.3
- TI-2023-20641 Improper input validation in Bosch Camera Firmware CVSS 3.1HIGH 7.2
- TI-2022-20071 Improper access control in Bosch Camera Firmware CVSS 3.1MEDIUM 5.3
Sources
- CVE-2021-23852 · CVE Program
- CVE-2021-23852 · NVD
- FIRST EPSS
- GHSA-hr85-6mv6-mcm7 · GitHub Advisory Database · CC BY 4.0
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