How severe is CVE-2014-8511?

CVE-2014-8511 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2014-8511 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-8511?

CVE-2014-8511 affects Schneider-electric Proclima. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2014-8511?

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-2014-8511 published?

CVE-2014-8511 was published on 2014-12-27 and last updated on 2026-06-17.

CVE-2014-8511

CVE-2014-8511 is a critical-severity vulnerability in Schneider-electric Proclima 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-119.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Schneider-electric Proclima
Published: 2014-12-27
Last modified: 2026-06-17

Description

Buffer overflow in an ActiveX control in Atx45.ocx in Schneider Electric ProClima before 6.1.7 allows remote attackers to execute arbitrary code via unspecified vectors, a different vulnerability than CVE-2014-8512. NOTE: this may be clarified later based on details provided by researchers.

Frequently asked questions

What is CVE-2014-8511?: Buffer overflow in an ActiveX control in Atx45.ocx in Schneider Electric ProClima before 6.1.7 allows remote attackers to execute arbitrary code via unspecified vectors, a different vulnerability than CVE-2014-8512. NOTE: this may be clarified later based on details provided by researchers.
How severe is CVE-2014-8511?: CVE-2014-8511 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2014-8511 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-8511?: CVE-2014-8511 affects Schneider-electric Proclima. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2014-8511?: 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-2014-8511 published?: CVE-2014-8511 was published on 2014-12-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:schneider-electric:proclima:*:*:*:*:*:*:*:*

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