CVE-2021-23850 MEDIUM

CVE-2021-23850: Buffer Overflow vulnerability in the recovery image telnet server

Vendor Bosch

Product CPP Firmware

Weakness CWE-121

Published March 30, 2022

Last update September 17, 2024

View on NVD All CVEs

CVSS base score

6.8/10

Attack vector Physical

Attack complexity Low

Privileges required None

User interaction None

Confidentiality High

Integrity High

CVSS vector

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

A specially crafted TCP/IP packet may cause a camera recovery image telnet 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.

Key dates

02Disclosure timeline

March 30, 2022 CVE published

September 17, 2024 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2021-23850 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/121.html

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