Cyber Resilience

CVE-2021-23851

Medium

Published: 30 March 2022

Published
30 March 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 6.8 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0024 46.8th percentile
Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-23851 is a medium-severity Stack-based Buffer Overflow (CWE-121) vulnerability in Bosch Dinion Ip Bullet 5000 Firmware. Its CVSS base score is 6.8 (Medium).

Operationally, ranked at the 46.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

more

physical access to the camera and allows the upload of a new firmware in case of a damaged firmware.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

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
cpp4, 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
+58 more product configuration(s) — see NVD for full list

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-120

Platform-independent managed code eliminates the need for unchecked native buffer copies that are the root cause of classic buffer overflows.

References