How severe is CVE-2016-4525?

CVE-2016-4525 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2016-4525 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-4525?

CVE-2016-4525 affects Advantech Webaccess. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-4525?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2016-4525 published?

CVE-2016-4525 was published on 2016-06-25 and last updated on 2026-06-17.

CVE-2016-4525

CVE-2016-4525 is a medium-severity vulnerability in Advantech Webaccess with a CVSS 3.x base score of 6.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 6.6)
CVSS v2: 3.3
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Advantech Webaccess
Published: 2016-06-25
Last modified: 2026-06-17

Description

Unspecified ActiveX controls in Advantech WebAccess before 8.1_20160519 allow remote authenticated users to obtain sensitive information or modify data via unknown vectors, related to the INTERFACESAFE_FOR_UNTRUSTED_CALLER (aka safe for scripting) flag.

Frequently asked questions

What is CVE-2016-4525?: Unspecified ActiveX controls in Advantech WebAccess before 8.1_20160519 allow remote authenticated users to obtain sensitive information or modify data via unknown vectors, related to the INTERFACESAFE_FOR_UNTRUSTED_CALLER (aka safe for scripting) flag.
How severe is CVE-2016-4525?: CVE-2016-4525 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2016-4525 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-4525?: CVE-2016-4525 affects Advantech Webaccess. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-4525?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-4525 published?: CVE-2016-4525 was published on 2016-06-25 and last updated on 2026-06-17.

References

https://ics-cert.us-cert.gov/advisories/ICSA-16-173-01

Affected products (1)

cpe:2.3:a:advantech:webaccess:*:*:*:*:*:*:*:*

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