Is CVE-2010-4740 being actively exploited?

CVE-2010-4740 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2010-4740?

CVE-2010-4740 has a CVSS 2.0 base score of 9.3 (HIGH).

CVE-2010-4740

HIGH · CVSS 9.3EPSS 41.6%EU EUVD

Stack-based buffer overflow in WTclient.dll in SCADA Engine BACnet OPC Client before 1.0.25 allows user-assisted remote attackers to execute arbitrary code via a crafted .csv file, related to a status log message.

Key facts

CVSS score: 9.3 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness (CWE): CWE-119
EPSS score: 41.6% (99th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2010-4705)
Published: February 16, 2011
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2010-4705 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

scadaengine / bacnet opc client

References

http://packetstormsecurity.org/1009-exploits/bacnet-overflow.py.txt(Exploit)
http://secunia.com/advisories/41466(Vendor Advisory)
http://securityreason.com/securityalert/8083
http://www.kb.cert.org/vuls/id/660688(US Government Resource)
http://www.securityfocus.com/bid/43289(Exploit)
http://www.us-cert.gov/control_systems/pdf/ICSA-10-264-01.pdf(US Government Resource)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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