How severe is CVE-2014-0771?

CVE-2014-0771 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2014-0771 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-0771?

CVE-2014-0771 primarily affects Advantech Advantech Webaccess. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-0771?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2014-0771 published?

CVE-2014-0771 was published on 2014-04-12 and last updated on 2026-06-17.

CVE-2014-0771

CVE-2014-0771 is a high-severity vulnerability in Advantech Advantech Webaccess with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-538.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-538
Affected product: Advantech Advantech Webaccess
Published: 2014-04-12
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2014-0771?: 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.
How severe is CVE-2014-0771?: CVE-2014-0771 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2014-0771 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-0771?: CVE-2014-0771 primarily affects Advantech Advantech Webaccess. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-0771?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2014-0771 published?: CVE-2014-0771 was published on 2014-04-12 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:advantech:advantech_webaccess:*:*:*:*:*:*:*:*
cpe:2.3:a:advantech:advantech_webaccess:5.0:*:*:*:*:*:*:*
cpe:2.3:a:advantech:advantech_webaccess:6.0:*:*:*:*:*:*:*
cpe:2.3:a:advantech:advantech_webaccess:7.0:*:*:*:*:*:*:*

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