CVE-2021-23851
HIGHCVSS 7.2/10EPSS 1.47%
Last modified
CVE-2021-23851 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. A specially crafted TCP/IP packet may cause the camera recovery image web interface to crash. It may also cause a buffer overflow which could enable remote code execution. EPSS estimates a 1.47% chance of exploitation in the next 30 days.
Description
A specially crafted TCP/IP packet may cause the camera recovery image web interface to crash. It may also cause a buffer overflow which could enable remote code execution. The recovery image can only be booted with administrative rights or with physical access to the camera and allows the upload of a new firmware in case of a damaged firmware.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Bosch | Autodome Ip 4000i Firmware | cpp7.3 |
| Bosch | Autodome Ip 5000i Firmware | cpp7.3 |
| Bosch | Autodome Ip Starlight 5000i Firmware | cpp7.3 |
| Bosch | Autodome Ip Starlight 7000i Firmware | cpp7.3 |
| Bosch | Dinion Ip 3000i Firmware | cpp7.3 |
| Bosch | Dinion Ip Bullet 4000i Firmware | cpp7.3 |
| Bosch | Dinion Ip Bullet 5000 Firmware | cpp7.3 |
| Bosch | Dinion Ip Bullet 5000i Firmware | cpp7.3 |
| Bosch | Dinion Ip Bullet 6000i Firmware | cpp7.3 |
| Bosch | Flexidome Ip 3000i Firmware | cpp7.3 |
| Bosch | Flexidome Ip 4000i Firmware | cpp7.3 |
| Bosch | Flexidome Ip 5000i Firmware | cpp7.3 |
| Bosch | Flexidome Ip Starlight 5000i Firmware | cpp7.3 |
| Bosch | Flexidome Ip Starlight 8000i Firmware | cpp7.3 |
| Bosch | Mic Ip Starlight 7000i Firmware | cpp7.3 |
| Bosch | Mic Ip Starlight 7100i Firmware | cpp7.3 |
| Bosch | Mic Ip Ultra 7100i Firmware | cpp7.3 |
| Bosch | Mic Ip Fusion 9000i Firmware | cpp7.3 |
| Bosch | Dinion Ip Starlight 6000 Firmware | cpp7 |
| Bosch | Dinion Ip Starlight 7000 Firmware | cpp7 |
| Bosch | Dinion Ip Thermal 8000 Firmware | cpp7 |
| Bosch | Flexidome Ip Starlight 6000 Firmware | cpp7 |
| Bosch | Flexidome Ip Starlight 7000 Firmware | cpp7 |
| Bosch | Dinion Ip Thermal 9000 Rm Firmware | cpp7 |
| Bosch | Aviotec Ip Starlight 8000 Firmware | cpp6 |
| Bosch | Dinion Ip Starlight 8000 Firmware | cpp6 |
| Bosch | Dinion Ip Ultra 8000 Firmware | cpp6 |
| Bosch | Flexidome Ip Panoramic 6000 Firmware | cpp6 |
| Bosch | Flexidome Ip Panoramic 7000 Firmware | cpp6 |
| Bosch | Autodome Ip 4000 Hd Firmware | cpp4 |
| Bosch | Autodome Ip 5000 Hd Firmware | cpp4 |
| Bosch | Autodome Ip 5000 Ir Firmware | cpp4 |
| Bosch | Autodome 7000 Firmware | cpp4 |
| Bosch | Dinion Hd 1080p Firmware | cpp4 |
| Bosch | Dinion Hd 1080p Hdr Firmware | cpp4 |
| Bosch | Dinion Hd 720p Firmware | cpp4 |
| Bosch | Dinion Imager 9000 Hd Firmware | cpp4 |
| Bosch | Dinion Ip Bullet 4000 Firmware | cpp4 |
| Bosch | Dinion Ip Bullet 5000 Firmware | cpp4 |
| Bosch | Dinion Ip 4000 Hd Firmware | cpp4 |
| Bosch | Dinion Ip 5000 Hd Firmware | cpp4 |
| Bosch | Dinion Ip 5000 Mp Firmware | cpp4 |
| Bosch | Dinion Ip Starlight 7000 Hd Firmware | cpp4 |
| Bosch | Flexidome Corner 9000 Mp Firmware | cpp4 |
| Bosch | Flexidome Hd 1080p Firmware | cpp4 |
| Bosch | Flexidome Hd 1080p Hdr Firmware | cpp4 |
| Bosch | Flexidome Hd 720p Firmware | cpp4 |
| Bosch | Vandal-Proof Flexidome Hd 1080p Firmware | cpp4 |
| Bosch | Vandal-Proof Flexidome Hd 1080p Hdr Firmware | cpp4 |
| Bosch | Vandal-Proof Flexidome Hd 720p Firmware | cpp4 |
Showing 50 of 69 affected configurations. See NVD for the full list.
References
- https://psirt.bosch.com/security-advisories/bosch-sa-478243-bt.htmlNot Applicable, Vendor Advisory
- https://psirt.bosch.com/security-advisories/bosch-sa-478243-bt.htmlNot Applicable, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-23851?
A specially crafted TCP/IP packet may cause the camera recovery image web interface to crash. It may also cause a buffer overflow which could enable remote code execution. The recovery image can only be booted with administrative rights or with physical access to the camera and allows the upload of a new firmware in case of a damaged firmware.
How severe is CVE-2021-23851?
CVE-2021-23851 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 1.47% probability of exploitation in the next 30 days.
How do I fix CVE-2021-23851?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-23851?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST