How severe is CVE-2011-4525?

CVE-2011-4525 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2011-4525 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-4525?

CVE-2011-4525 primarily affects Advantech Advantech Webaccess. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-4525?

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

When was CVE-2011-4525 published?

CVE-2011-4525 was published on 2012-02-21 and last updated on 2026-06-16.

CVE-2011-4525

CVE-2011-4525 is a critical-severity vulnerability in Advantech Advantech Webaccess with a CVSS 2.0 base score of 10.0. 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-264.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Advantech Advantech Webaccess
Published: 2012-02-21
Last modified: 2026-06-16

Description

Advantech/BroadWin WebAccess before 7.0 allows remote attackers to trigger the extraction of arbitrary web content into a batch file on a client system, and execute this batch file, via unspecified vectors.

Frequently asked questions

What is CVE-2011-4525?: Advantech/BroadWin WebAccess before 7.0 allows remote attackers to trigger the extraction of arbitrary web content into a batch file on a client system, and execute this batch file, via unspecified vectors.
How severe is CVE-2011-4525?: CVE-2011-4525 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2011-4525 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-4525?: CVE-2011-4525 primarily affects Advantech Advantech Webaccess. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-4525?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2011-4525 published?: CVE-2011-4525 was published on 2012-02-21 and last updated on 2026-06-16.

References

Affected products (2)

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

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