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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (7.07%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 2.0
- 9.3 HIGHAV:N/AC:M/Au:N/C:C/I:C/A:C
- EPSS
- 7.07% probability · 94th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- siemens/simatic wincc flexible runtime · siemens/simatic wincc runtime
- Source
- cret@cert.org
References
- http://cache.automation.siemens.com/dnl/jI/jI0NDY5AAAA_29054992_FAQ/Siemens_Security_Advisory_SSA-460621_V1_2.pdf
- http://secunia.com/advisories/46011Vendor Advisory
- http://support.automation.siemens.com/WW/view/en/29054992
- http://www.us-cert.gov/control_systems/pdf/ICSA-11-244-01.pdfUS Government Resource
- https://exchange.xforce.ibmcloud.com/vulnerabilities/69803
- http://cache.automation.siemens.com/dnl/jI/jI0NDY5AAAA_29054992_FAQ/Siemens_Security_Advisory_SSA-460621_V1_2.pdf
- http://secunia.com/advisories/46011Vendor Advisory
- http://support.automation.siemens.com/WW/view/en/29054992
- http://www.us-cert.gov/control_systems/pdf/ICSA-11-244-01.pdfUS Government Resource
- https://exchange.xforce.ibmcloud.com/vulnerabilities/69803
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.