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% (91st 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% (91st 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% (91st 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:*:*:*:*:*:*:*:*

More vulnerabilities in Schneider-electric Proclima

CVE-2019-6824 — Critical (CVSS 9.8): A CWE-119: Buffer Errors vulnerability exists in ProClima (all versions prior to version 8.0.0) which allows an…
CVE-2019-6823 — Critical (CVSS 9.8): A CWE-94: Code Injection vulnerability exists in ProClima (all versions prior to version 8.0.0) which could allow an…
CVE-2019-6825 — High (CVSS 7.8): A CWE-427: Uncontrolled Search Path Element vulnerability exists in ProClima (all versions prior to version 8.0.0)…
CVE-2015-8561 — Medium (CVSS 6.8): The F1BookView ActiveX control in F1 Bookview in Schneider Electric ProClima before 6.2 allows remote attackers to…
CVE-2015-7918 — Medium (CVSS 6.8): Multiple buffer overflows in the F1BookView ActiveX control in F1 Bookview in Schneider Electric ProClima before 6.2…

All CVEs affecting Schneider-electric Proclima →

Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities

CVE-2026-77946 — Critical (CVSS 10.0): A vulnerability was determined in TRENDnet TEW-821DAP 2.2.01b05. Affected by this vulnerability is the function…
CVE-2026-76008 — Critical (CVSS 10.0): A flaw has been found in Comfast CF-N1-S 2.6.0.1. This affects the function get_para_from_uri of the file…
CVE-2026-75784 — Critical (CVSS 10.0): A vulnerability was detected in TRENDnet TEW-WLC100 1v2.07b01. Affected by this issue is the function FUN_0040da4c of…
CVE-2026-74843 — Critical (CVSS 10.0): A vulnerability was determined in Wavlink WN531P3 and WN535M1 V250922. Affected by this vulnerability is the function…
CVE-2026-16367 — Critical (CVSS 10.0): Sandbox escape due to invalid pointer in the Disability Access APIs component. This vulnerability was fixed in Firefox…
CVE-2026-2778 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in…

Browse all CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities →