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Fencer Intel
critical 9.3

CVE-2011-4037 json

Buffer overflow in Sielco Sistemi Winlog PRO before 2.07.09 and Winlog Lite before 2.07.09 allows user-assisted remote attackers to execute…

published 2011-12-22 14 y ago modified 2026-06-16 4 mo ago also EUVD-2011-3989

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.5%
EPSS 4.5% chance of exploitation in 30 days, percentile 91%
public exploits
0
none known

Summary

Buffer 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 code via invalid data in unspecified fields of a project file.

Patch / fix

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-11-298-01A updated cvss 9.3

Sielco Sistemi Winlog Buffer Overflow

  • Sielco Sistemi Winlog Lite <2.07.09 Sielco Sistemi Winlog PRO <2.07.09.
    affected: mitigation “Sielco Sistemi advises users to download the new Winlog release, from their website (http://www.sielcosistemi.com) and follow download instructions found there.”

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

4.51% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.