How severe is CVE-2011-3330?

CVE-2011-3330 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-2011-3330 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-3330?

CVE-2011-3330 primarily affects Schneider-electric Monitor Pro. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-3330?

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-2011-3330 published?

CVE-2011-3330 was published on 2011-11-04 and last updated on 2026-06-16.

CVE-2011-3330

CVE-2011-3330 is a high-severity vulnerability in Schneider-electric Monitor Pro with a CVSS 2.0 base score of 7.2. 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: High (CVSS 2.0 base score 7.2)
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Schneider-electric Monitor Pro
Published: 2011-11-04
Last modified: 2026-06-16

Description

Buffer overflow in the UnitelWay Windows Device Driver, as used in Schneider Electric Unity Pro 6 and earlier, OPC Factory Server 3.34, Vijeo Citect 7.20 and earlier, Telemecanique Driver Pack 2.6 and earlier, Monitor Pro 7.6 and earlier, and PL7 Pro 4.5 and earlier, allows local users, and possibly remote attackers, to execute arbitrary code via an unspecified system parameter.

Frequently asked questions

What is CVE-2011-3330?: Buffer overflow in the UnitelWay Windows Device Driver, as used in Schneider Electric Unity Pro 6 and earlier, OPC Factory Server 3.34, Vijeo Citect 7.20 and earlier, Telemecanique Driver Pack 2.6 and earlier, Monitor Pro 7.6 and earlier, and PL7 Pro 4.5 and earlier, allows local users, and possibly remote attackers, to execute arbitrary code via an unspecified system parameter.
How severe is CVE-2011-3330?: CVE-2011-3330 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2011-3330 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-3330?: CVE-2011-3330 primarily affects Schneider-electric Monitor Pro. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-3330?: 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-2011-3330 published?: CVE-2011-3330 was published on 2011-11-04 and last updated on 2026-06-16.

References

Affected products (6)

cpe:2.3:a:schneider-electric:monitor_pro:*:*:*:*:*:*:*:*
cpe:2.3:a:schneider-electric:opc_factory_server:*:*:*:*:*:*:*:*
cpe:2.3:a:schneider-electric:pl7_pro:*:sp5:*:*:*:*:*:*
cpe:2.3:a:schneider-electric:telemecanique_driver_pack:*:*:*:*:*:*:*:*
cpe:2.3:a:schneider-electric:unity_pro:*:*:*:*:*:*:*:*
cpe:2.3:a:schneider-electric:vijeo_citect:*:*:*:*:*:*:*:*

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