Is CVE-2012-4359 being actively exploited?

CVE-2012-4359 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2012-4359?

CVE-2012-4359 has a CVSS 2.0 base score of 9.3 (HIGH).

CVE-2012-4359

HIGH · CVSS 9.3EPSS 2.5%EU EUVD

Sielco 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 allows remote attackers to cause a denial of service (invalid 0x00 write operation and daemon crash) or possibly have unspecified other impact via a port-46824 TCP packet with a crafted negative integer after the opcode. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-4358.

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-20
EPSS score: 2.5% (85th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2012-4302)
Published: August 19, 2012
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2012-4302 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.

View on the EU Vulnerability Database

Affected products

sielcosistemi / winlog lite
sielcosistemi / winlog lite
sielcosistemi / winlog lite
sielcosistemi / winlog lite
sielcosistemi / winlog lite
sielcosistemi / winlog lite
sielcosistemi / winlog lite
sielcosistemi / winlog lite
sielcosistemi / winlog lite
sielcosistemi / winlog lite
sielcosistemi / winlog lite
sielcosistemi / winlog lite
sielcosistemi / winlog lite
sielcosistemi / winlog lite
sielcosistemi / winlog lite
sielcosistemi / winlog lite
sielcosistemi / winlog lite
sielcosistemi / winlog lite
sielcosistemi / winlog lite
sielcosistemi / winlog lite
sielcosistemi / winlog lite
sielcosistemi / winlog lite
sielcosistemi / winlog lite
sielcosistemi / winlog lite
sielcosistemi / winlog lite
sielcosistemi / winlog lite
sielcosistemi / winlog lite
sielcosistemi / winlog lite
sielcosistemi / winlog pro
sielcosistemi / winlog pro
sielcosistemi / winlog pro
sielcosistemi / winlog pro
sielcosistemi / winlog pro
sielcosistemi / winlog pro
sielcosistemi / winlog pro
sielcosistemi / winlog pro
sielcosistemi / winlog pro
sielcosistemi / winlog pro
sielcosistemi / winlog pro
sielcosistemi / winlog pro
sielcosistemi / winlog pro
sielcosistemi / winlog pro
sielcosistemi / winlog pro
sielcosistemi / winlog pro
sielcosistemi / winlog pro
sielcosistemi / winlog pro
sielcosistemi / winlog pro
sielcosistemi / winlog pro
sielcosistemi / winlog pro
sielcosistemi / winlog pro

and 6 more…

References

http://aluigi.org/adv/winlog_2-adv.txt(Exploit)
http://secunia.com/advisories/49395(Vendor Advisory)
http://www.sielcosistemi.com/en/news/index.html?id=70
http://www.us-cert.gov/control_systems/pdf/ICSA-12-213-01.pdf(US Government Resource)

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

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