How severe is CVE-2011-0517?

CVE-2011-0517 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2011-0517 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 40% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-0517?

CVE-2011-0517 affects Sielcosistemi Winlog Pro. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2011-0517?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2011-0517 published?

CVE-2011-0517 was published on 2011-01-20 and last updated on 2026-06-16.

CVE-2011-0517

CVE-2011-0517 is a critical-severity vulnerability in Sielcosistemi Winlog Pro with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 40% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 40% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Sielcosistemi Winlog Pro
Published: 2011-01-20
Last modified: 2026-06-16

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.

Frequently asked questions

What is CVE-2011-0517?: 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.
How severe is CVE-2011-0517?: CVE-2011-0517 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2011-0517 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 40% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-0517?: CVE-2011-0517 affects Sielcosistemi Winlog Pro. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-0517?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2011-0517 published?: CVE-2011-0517 was published on 2011-01-20 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:sielcosistemi:winlog_pro:*:*:*:*:*:*:*:*

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