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Vulnerability record · CVE-2011-0517 · published 20 January 2011

CVE-2011-0517: Sielcosistemi winlog pro memory buffer overflow vulnerability

Sielcosistemi · Winlog Pro

Stack-based buffer overflow in Sielco Sistemi Winlog Pro 2.07.00 and earlier, when Run TCP/IP server is enabled, allows remote attackers to cause a denial of service (crash) and execute arbitrary code via a crafted 0x02 opcode to TCP port 46823.

9.3 CVSS 2.0 High EPSS 40% · top 1.4% CWE-119 · Memory buffer overflow
9.3CVSS 2.0 base score
40%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
20References, 6 tagged exploit
16 Jun 2026Last modified by NVD

Description

Stack-based buffer overflow in Sielco Sistemi Winlog Pro 2.07.00 and earlier, when Run TCP/IP server is enabled, allows remote attackers to cause a denial of service (crash) and execute arbitrary code via a crafted 0x02 opcode to TCP port 46823.

AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://aluigi.org/adv/winlog_1-adv.txt Exploit
http://osvdb.org/70418
http://secunia.com/advisories/42894 Vendor Advisory
http://securityreason.com/securityalert/8280
http://www.exploit-db.com/exploits/15992 Exploit
http://www.kb.cert.org/vuls/id/496040 US Government Resource
http://www.securityfocus.com/bid/45813 Exploit
http://www.us-cert.gov/control_systems/pdf/ICSA-11-017-02.pdf
http://www.vupen.com/english/advisories/2011/0126 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/64716
http://aluigi.org/adv/winlog_1-adv.txt Exploit
http://osvdb.org/70418
http://secunia.com/advisories/42894 Vendor Advisory
http://securityreason.com/securityalert/8280
http://www.exploit-db.com/exploits/15992 Exploit
http://www.kb.cert.org/vuls/id/496040 US Government Resource
http://www.securityfocus.com/bid/45813 Exploit
http://www.us-cert.gov/control_systems/pdf/ICSA-11-017-02.pdf
http://www.vupen.com/english/advisories/2011/0126 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/64716

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.3CVE-2012-4359Sielcosistemi winlog pro improper input validation vulnerabilitySielco Sistemi Winlog Pro SCADA before 2.07.18 and Winlog Lite SCADA before 2.07.18 do not validate the return value of the realloc function, which a…EPSS 2.5%9.3CVE-2012-4353Sielcosistemi winlog pro memory buffer overflow vulnerabilityStack-based buffer overflow in RunTime.exe in Sielco Sistemi Winlog Pro SCADA before 2.07.17 and Winlog Lite SCADA before 2.07.17 allows remote attac…EPSS 25%9.3CVE-2012-4354Sielcosistemi winlog pro vulnerabilityTCPIPS_Story.dll in Sielco Sistemi Winlog Pro SCADA before 2.07.17 and Winlog Lite SCADA before 2.07.17 allows remote attackers to execute arbitrary …EPSS 8.2%9.3CVE-2012-4355Sielcosistemi winlog pro vulnerabilityTCPIPS_Story.dll in Sielco Sistemi Winlog Pro SCADA before 2.07.18 and Winlog Lite SCADA before 2.07.18 allows remote attackers to execute arbitrary …EPSS 8.2%9.3CVE-2012-4357Sielcosistemi winlog pro improper input validation vulnerabilityArray index error in Sielco Sistemi Winlog Pro SCADA before 2.07.17 and Winlog Lite SCADA before 2.07.17 might allow remote attackers to execute arbi…EPSS 7.4%9.3CVE-2012-4358Sielcosistemi winlog pro improper input validation vulnerabilitySielco Sistemi Winlog Pro SCADA before 2.07.17 and Winlog Lite SCADA before 2.07.17 do not validate the return value of the realloc function, which a…EPSS 2.5%9.3CVE-2012-3815Sielcosistemi winlog lite memory buffer overflow vulnerabilityBuffer overflow in RunTime.exe in Sielco Sistemi Winlog Pro SCADA before 2.07.18 and Winlog Lite SCADA before 2.07.18 allows remote attackers to exec…EPSS 44%9.3CVE-2011-4037Sielcosistemi winlog lite memory buffer overflow vulnerabilityBuffer overflow in Sielco Sistemi Winlog PRO before 2.07.09 and Winlog Lite before 2.07.09 allows user-assisted remote attackers to execute arbitrary…EPSS 4.5%

Source: NIST National Vulnerability Database (record CVE-2011-0517), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.