Schneider Electric Unity Pro up to 6.0 Serial Driver ModbusDrv.exe memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.1$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Schneider Electric Unity Pro up to 6.0. This affects an unknown function of the file ModbusDrv.exe of the component Serial Driver. The manipulation leads to memory corruption. This vulnerability is listed as CVE-2013-0662. In addition, an exploit is available.

Detailsinfo

A vulnerability was found in Schneider Electric Unity Pro up to 6.0 (SCADA Software). It has been rated as very critical. This issue affects an unknown code of the file ModbusDrv.exe of the component Serial Driver. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Multiple stack-based buffer overflows in ModbusDrv.exe in Schneider Electric Modbus Serial Driver 1.10 through 3.2 allow remote attackers to execute arbitrary code via a large buffer-size value in a Modbus Application Header.

The weakness was presented 04/01/2014 (Website). The advisory is shared at ics-cert.us-cert.gov. The identification of this vulnerability is CVE-2013-0662 since 12/19/2012. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/09/2026).

The exploit is available at exploit-db.com. It is declared as proof-of-concept.

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 SecurityFocus (BID 66500†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.1

VulDB Base Score: 10.0
VulDB Temp Score: 9.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/19/2012 🔍
03/27/2014 +463 days 🔍
04/01/2014 +5 days 🔍
04/01/2014 +0 days 🔍
03/24/2015 +357 days 🔍
05/09/2026 +4064 days 🔍

Sourcesinfo

Vendor: schneider-electric.com

Advisory: ics-cert.us-cert.gov
Status: Not defined
Confirmation: 🔍

CVE: CVE-2013-0662 (🔍)
GCVE (CVE): GCVE-0-2013-0662
GCVE (VulDB): GCVE-100-66833
SecurityFocus: 66500 - Multiple Schneider Electric Products Stack Buffer Overflow Vulnerability

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/24/2015 15:54
Updated: 05/09/2026 08:44
Changes: 03/24/2015 15:54 (50), 02/20/2018 10:36 (2), 02/06/2022 13:32 (3), 07/13/2025 01:54 (24), 05/09/2026 08:44 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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