CVE-2014-0771 | Advantech WebAccess File and Directory Information Exposure

The BWOCXRUN.BwocxrunCtrl.1 control contains a method named “OpenUrlToBuffer.” This method takes a URL as a parameter and returns its contents to the caller in JavaScript. The URLs are accessed in the security context of the current browser session. The control does not perform any URL validation and allows “file://” URLs that access the local disk. The method can be used to open a URL (including file URLs) and read file URLs through JavaScript. This method could also be used to reach any arbitrary URL to which the browser has access.

Published: 2014-04-12 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2014-0771 is rated Moderate Risk (55.2/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.41%). Core evidence: EPSS rose +1.07% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2014-0771

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.34% 1.41% +1.07%
2 2025-09-20 0.18% 0.34% +0.16%
3 2025-03-30 0.18%

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-0771

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 6.4 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2014-0771

Affected software / configurations for CVE-2014-0771

Vendor Product Version Raw CPE
advantech advantech_webaccess <= 7.1 cpe:2.3:a:advantech:advantech_webaccess:*:*:*:*:*:*:*:*
advantech advantech_webaccess 5.0 cpe:2.3:a:advantech:advantech_webaccess:5.0:*:*:*:*:*:*:*
advantech advantech_webaccess 6.0 cpe:2.3:a:advantech:advantech_webaccess:6.0:*:*:*:*:*:*:*
advantech advantech_webaccess 7.0 cpe:2.3:a:advantech:advantech_webaccess:7.0:*:*:*:*:*:*:*

References for CVE-2014-0771

cvelogic Threat Intelligence