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CVE-2011-3321

UnknownEPSS 7.07%

Last modified

CVE-2011-3321 is a vulnerability of currently unknown severity. Heap-based buffer overflow in the Siemens WinCC Runtime Advanced Loader, as used in SIMATIC WinCC flexible Runtime and SIMATIC WinCC (TIA Portal) Runtime Advanced, allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via a crafted packet to TCP port 2308.. EPSS estimates a 7.07% chance of exploitation in the next 30 days.

Description

Heap-based buffer overflow in the Siemens WinCC Runtime Advanced Loader, as used in SIMATIC WinCC flexible Runtime and SIMATIC WinCC (TIA Portal) Runtime Advanced, allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via a crafted packet to TCP port 2308.

Metrics

EPSS Probability
7.07%

93.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
SiemensSimatic Wincc Flexible RuntimeAll versions
SiemensSimatic Wincc RuntimeAll versions

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2011-3321?
Heap-based buffer overflow in the Siemens WinCC Runtime Advanced Loader, as used in SIMATIC WinCC flexible Runtime and SIMATIC WinCC (TIA Portal) Runtime Advanced, allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via a crafted packet to TCP port 2308.
How severe is CVE-2011-3321?
Severity scoring for CVE-2011-3321 is pending analysis. The EPSS model estimates a 7.07% probability of exploitation in the next 30 days.
How do I fix CVE-2011-3321?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-3321?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST