9.3
CRITICAL
CVE-2011-3321
Siemens WinCC Heap Buffer Overflow
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.

INFO

Published Date :

Sept. 16, 2011, 12:35 p.m.

Last Modified :

Nov. 21, 2024, 1:30 a.m.

Remotely Exploitable :

Yes !

Impact Score :

10.0

Exploitability Score :

8.6
Affected Products

The following products are affected by CVE-2011-3321 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Siemens simatic_wincc_runtime
2 Siemens simatic_wincc_flexible_runtime

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2011-3321 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2011-3321 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://cache.automation.siemens.com/dnl/jI/jI0NDY5AAAA_29054992_FAQ/Siemens_Security_Advisory_SSA-460621_V1_2.pdf
    Added Reference http://secunia.com/advisories/46011
    Added Reference http://support.automation.siemens.com/WW/view/en/29054992
    Added Reference http://www.us-cert.gov/control_systems/pdf/ICSA-11-244-01.pdf
    Added Reference https://exchange.xforce.ibmcloud.com/vulnerabilities/69803
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Aug. 29, 2017

    Action Type Old Value New Value
    Removed Reference http://xforce.iss.net/xforce/xfdb/69803 [No Types Assigned]
    Added Reference https://exchange.xforce.ibmcloud.com/vulnerabilities/69803 [No Types Assigned]
  • Modified Analysis by [email protected]

    Apr. 29, 2015

    Action Type Old Value New Value
    Changed CPE Configuration Configuration 1 OR *cpe:2.3:a:siemens:simatic_wincc_runtime:*:*:advanced:*:*:*:*:* *cpe:2.3:a:siemens:simatic_wincc_flexible_runtime:*:*:*:*:*:*:*:* Configuration 1 OR *cpe:2.3:a:siemens:simatic_wincc_runtime:-:*:*:*:advanced:*:*:* *cpe:2.3:a:siemens:simatic_wincc_flexible_runtime:*:*:*:*:*:*:*:*
  • Initial Analysis by [email protected]

    Sep. 16, 2011

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

4.12 }} -0.91%

score

0.92064

percentile

CVSS2 - Vulnerability Scoring System
Access Vector
Access Complexity
Authentication
Confidentiality
Integrity
Availability