Auth bypass in Christiedigital Dwu850-Gs

CVE-2021-40350

webctrl.cgi.elf on Christie Digital DWU850-GS V06.46 devices allows attackers to perform any desired action via a crafted query containing an unspecified Cookie header. Authentication bypass can be achieved by including an administrative cookie that the device does not validate.

Vulnerability class: Broken Authentication

EPSS: 0.016 (73.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-40350?
CVE-2021-40350 is a critical-severity vulnerability in Christiedigital Dwu850-Gs, classified under Improper Authentication. CVSS score: 9.8/10. Published 2021-09-01.
How severe is CVE-2021-40350?
Critical severity. CVSS v3 base score is 9.8 out of 10.