Schneider Electric Modicon Quantum PLC memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability classified as critical has been found in Schneider Electric Modicon Quantum PLC (SCADA Software) (version unknown). Affected is an unknown code block. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on availability. CVE summarizes:

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.

The weakness was published 01/27/2012 (Website). The advisory is available at This vulnerability is traded as CVE-2012-0929 since 01/27/2012. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at X-Force (72589). Similar entries are available at 60032, 60031 and 59767.






  • commercial

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.5
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍



VulDB Base Score: 🔍
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NVD Base Score: 🔍


Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍


01/20/2012 🔍
01/23/2012 +3 days 🔍
01/27/2012 +4 days 🔍
01/27/2012 +0 days 🔍
01/27/2012 +0 days 🔍
03/23/2015 +1151 days 🔍
11/29/2021 +2443 days 🔍



Status: Not defined

CVE: CVE-2012-0929 (🔍)
X-Force: 72589 - Schneider Electric Modicon Quantum Series Modules FTP denial of service
SecurityFocus: 51605 - Schneider Electric Modicon Quantum Multiple Security Vulnerabilities
Secunia: 47723 - Schneider Electric Modicon Quantum Cross-Site Scripting and Buffer Overflow Vulnerabilitie, Less Critical

See also: 🔍


Created: 03/23/2015 04:50 PM
Updated: 11/29/2021 09:08 AM
Changes: 03/23/2015 04:50 PM (50), 01/10/2018 08:01 AM (7), 11/29/2021 09:08 AM (12)
Complete: 🔍


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