Vulnerability Details : 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.
Vulnerability category: OverflowMemory CorruptionExecute codeDenial of service
Exploit prediction scoring system (EPSS) score for CVE-2011-3321
Probability of exploitation activity in the next 30 days: 5.47%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 93 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2011-3321
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
9.3
|
HIGH | AV:N/AC:M/Au:N/C:C/I:C/A:C |
8.6
|
10.0
|
NIST |
CWE ids for CVE-2011-3321
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The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-3321
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http://www.us-cert.gov/control_systems/pdf/ICSA-11-244-01.pdf
404 - File Not Found | CISAUS Government Resource
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https://exchange.xforce.ibmcloud.com/vulnerabilities/69803
Siemens Simatic WinCC runtime loader buffer overflow CVE-2011-3321 Vulnerability Report
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http://cache.automation.siemens.com/dnl/jI/jI0NDY5AAAA_29054992_FAQ/Siemens_Security_Advisory_SSA-460621_V1_2.pdf
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http://support.automation.siemens.com/WW/view/en/29054992
How do you configure the RT Loader to transfer a WinCC flexible Runtime file from ... - ID: 29054992 - Industry Support Siemens
Products affected by CVE-2011-3321
- cpe:2.3:a:siemens:simatic_wincc_runtime:-:*:*:*:advanced:*:*:*
- cpe:2.3:a:siemens:simatic_wincc_flexible_runtime:*:*:*:*:*:*:*:*