by Kastro
Paper/Archive/CVE-2020-27540

CVE-2020-27540

mitre — Bash injection vulnerability and bypass of signature verification in Rostelecom CS-C2SHW 5.0.082.1.

EPSS 0.8%CVSS 9.8
critical.is priorityof 100
41
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 57.8.578 × 2011.6No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
n/an/a–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

refdil4rd.medium.com/groundhog-day-in-iot-valley-or-5-cves-in-1-camera-7dc1d2864707