Feed/CVE-2020-27540
CVE-2020-27540CRITICALCVSS 9.8

CVE-2020-27540

Published Jan 26, 2021·Updated Jun 16, 2026

NVD Description

Bash injection vulnerability and bypass of signature verification in Rostelecom CS-C2SHW 5.0.082.1. The camera reads firmware update configuration from SD card file vc\version.json. fw-sign parameter and from this configuration is directly inserted into a bash command. Firmware update is run automatically if there is special file on the inserted SD card.

CVSS Vector

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

References

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