CVE-2017-5152: An issue was discovered in Advantech WebAccess Version 8.1. By accessing a specific uniform resource locator (URL) on the web server, a malicious user is able…

PriorityP262critical9.1CVSS 3.0

AVNACLPRNUINSUCHIHAN

EPSS

3.77%

88.6th percentile

An issue was discovered in Advantech WebAccess Version 8.1. By accessing a specific uniform resource locator (URL) on the web server, a malicious user is able to access pages unrestricted (AUTHENTICATION BYPASS).

Affected

1 ranges

Vendor	Product	Version range	Fixed in
advantech	webaccess	—	—

Detection & IOCsextracted from sources · hover to see the quote

→Authentication bypass is triggered by accessing a specific URL on the Advantech WebAccess 8.1 web server — monitor for unauthenticated HTTP requests reaching restricted/administrative pages that would normally require authentication. ↗
→The vulnerability is remotely exploitable with low skill level and requires no privileges or user interaction — alert on anomalous unauthenticated access patterns to Advantech WebAccess administrative interfaces from external/untrusted networks. ↗

·No specific URL path, parameter, or byte-level signature for the bypass was publicly disclosed in these sources — the exact URL triggering the bypass is not documented, limiting precise signature creation. ↗
·No known public exploits were confirmed at time of advisory publication, which may limit threat-hunting data availability. ↗

CVSS provenance

nvdv3.09.1CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

nvdv2.06.4MEDIUMAV:N/AC:L/Au:N/C:P/I:P/A:N

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