CVE-2011-3321

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.

Category

9.3
CVSS
Severity: Critical
CVSS 2.0 •
EPSS 4.11% Top 15%
Vendor Advisory secunia.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://support.automation.siemens.com/WW/view/en/29054992
http://cache.automation.siemens.com/dnl/jI/jI0NDY5AAAA_29054992_FAQ/Siemens_Security_Advisory_SSA-460621_V1_2.pdf
https://exchange.xforce.ibmcloud.com/vulnerabilities/69803 vdb entry
http://secunia.com/advisories/46011 third party advisory vendor advisory
http://www.us-cert.gov/control_systems/pdf/ICSA-11-244-01.pdf us government resource

Frequently Asked Questions

What is the severity of CVE-2011-3321?
CVE-2011-3321 has been scored as a critical severity vulnerability.
How to fix CVE-2011-3321?
To fix CVE-2011-3321, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-3321 being actively exploited in the wild?
It is possible that CVE-2011-3321 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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