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Fencer Intel
critical 9.3

CVE-2011-0517 in the critical feed json

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…

published 2011-01-20 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-0537

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
40.5%
EPSS 40.5% chance of exploitation in 30 days, percentile 98%
public exploits
3
Metasploit, Exploit-DB

Summary

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.

Vendor advisories

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

cisa ICSA-11-017-02 updated cvss 8.1

Sielco Sistemi WinLog Stack Overflow

  • Sielco WinLog Lite <2.07.00 Sielco WinLog Pro <2.07.00
    affected: mitigation “ICS-CERT recommends that users of Sielco Sistemi’s Winlog system take the following mitigation steps: Update Winlog Lite and WinLog Pro to the latest Version (2.07.01)”

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

Timeline

  1. First public exploit (Metasploit exploit/windows/scada/winlog_runtime)
  2. Published

Exploit prediction

40.46% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • Metasploit exploit/windows/scada/winlog_runtime Sielco Sistemi Winlog Buffer Overflow metasploit exploit, great rank, 2011-01-13
  • EDB-17430 Sielco Sistemi Winlog - Remote Buffer Overflow (Metasploit) remote, 2011-06-21
  • EDB-15992 Sielco Sistemi Winlog 2.07.00 - Stack Overflow dos, 2011-01-14
  • aluigi.org http://aluigi.org/adv/winlog_1-adv.txt referenced PoC, tagged "exploit" by a source, unverified
  • securityfocus.com http://www.securityfocus.com/bid/45813 referenced PoC, tagged "exploit" by a source, unverified

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.