CVE-2021-40350

9.8 criticalEPSS 1.6%

Critical (9.8) in christiedigital dwu850-gs firmware. EPSS 1.6% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical

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

EPSS: 1.6% chance of exploitation in the next 30 days; higher than 75% of CVEs (scores of 2026-10-31)
CWE: CWE-287
Published: 2021-09-01
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

christiedigital:dwu850-gs_firmware

References

https://securityshards.wordpress.com/2021/08/31/cve-pending-christie-dwu850-gs-authentication-bypass/
https://securityshards.wordpress.com/2021/08/31/cve-pending-christie-dwu850-gs-authentication-bypass/

Check your stack JSON