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CVE-2011-0517

71
FAUCET Score

CVE-2011-0517 describes a stack-based buffer overflow in Sielco Sistemi Winlog Pro 2.07.00 and earlier versions, specifically when the TCP/IP server is enabled. This critical vulnerability (CVSS 9.3) allows unauthenticated remote attackers to cause a denial of service or execute arbitrary code by sending a specially crafted 0x02 opcode to TCP port 46823. While not on the CISA KEV catalog, public exploit modules exist in Metasploit and ExploitDB, indicating readily available tools for exploitation, despite a lack of community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.07.00CPE matchmatch criteria
cpe:2.3:a:sielcosistemi:winlog_pro:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
40.46%
Probability of exploitation in next 30 days
EPSS Percentile
98.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Metasploit: Sielco Sistemi Winlog Buffer Overflow · Jan 13, 2011
ExploitDB: EDB-17430 · Jun 21, 2011
This CVE's current EPSS score of 0.4046 is in the 97th percentile among its peer group of 8,918 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

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