How severe is CVE-2012-0929?

CVE-2012-0929 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2012-0929 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-0929?

CVE-2012-0929 affects Schneider-electric Modicon Quantum Plc. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2012-0929?

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-2012-0929 published?

CVE-2012-0929 was published on 2012-01-28 and last updated on 2026-06-16.

CVE-2012-0929

CVE-2012-0929 is a high-severity vulnerability in Schneider-electric Modicon Quantum Plc with a CVSS 3.x base score of 7.5. 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 3.x base score 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Schneider-electric Modicon Quantum Plc
Published: 2012-01-28
Last modified: 2026-06-16

Description

Multiple buffer overflows in Schneider Electric Modicon Quantum PLC allow remote attackers to cause a denial of service via malformed requests to the (1) FTP server or (2) HTTP server.

Frequently asked questions

What is CVE-2012-0929?: Multiple buffer overflows in Schneider Electric Modicon Quantum PLC allow remote attackers to cause a denial of service via malformed requests to the (1) FTP server or (2) HTTP server.
How severe is CVE-2012-0929?: CVE-2012-0929 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2012-0929 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-0929?: CVE-2012-0929 affects Schneider-electric Modicon Quantum Plc. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2012-0929?: 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-2012-0929 published?: CVE-2012-0929 was published on 2012-01-28 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:h:schneider-electric:modicon_quantum_plc:-:*:*:*:*:*:*:*

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