CVE-2023-27823: An authentication bypass in Optoma 1080PSTX C02 allows an attacker to access the administration console without valid credentials.

PriorityP181critical9.8CVSS 3.1

AVNACLPRNUINSUCHIHAH

EXPLOIT

EPSS

49.83%

98.8th percentile

An authentication bypass in Optoma 1080PSTX C02 allows an attacker to access the administration console without valid credentials.

Affected

1 ranges

Vendor	Product	Version range	Fixed in
optoma	1080pstx	—	—

Detection & IOCsextracted from sources · hover to see the quote

cookieatop=1↗

url/index.asp↗

→Detect unauthenticated access to the Optoma 1080PSTX admin panel by looking for HTTP requests to /index.asp containing the cookie 'atop=1' without a prior authenticated session. ↗
→Monitor HTTP GET requests to /index.asp on projector/embedded device hosts that include 'Cookie: atop=1' in the request headers. ↗

·The authentication bypass is only exploitable by an attacker on the same network as the device (local network access required). ↗
·The vulnerability affects Optoma 1080PSTX specifically running Firmware version C02; other firmware versions are not confirmed affected. ↗

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