CVE-2011-3321

Severity Score

9.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Desbordamiento de buffer de memoria dinámica en Siemens WinCC Runtime Advanced Loader, tal como se usa en SIMATIC WinCC flexible Runtime y SIMATIC WinCC (TIA Portal) Runtime Advanced, permite a atacantes remotos provocar una denegación de servicio (corrupción de memoria) o posiblemente ejecutar código arbitrario a través de un paquete modificado al puerto TCP 2308.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2011-08-29 CVE Reserved
2011-09-15 CVE Published
2024-08-06 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

CAPEC

References (5)

URL	Tag	Source
http://cache.automation.siemens.com/dnl/jI/jI0NDY5AAAA_29054992_FAQ/Siemens_Security_Advisory_SSA-460621_V1_2.pdf	X_refsource_confirm
http://support.automation.siemens.com/WW/view/en/29054992	X_refsource_misc
http://www.us-cert.gov/control_systems/pdf/ICSA-11-244-01.pdf	Us Government Resource
https://exchange.xforce.ibmcloud.com/vulnerabilities/69803	Vdb Entry

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://secunia.com/advisories/46011	2017-08-29

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Siemens Search vendor "Siemens"		Simatic Wincc Flexible Runtime Search vendor "Siemens" for product "Simatic Wincc Flexible Runtime"				*		-		Affected
Siemens Search vendor "Siemens"		Simatic Wincc Runtime Search vendor "Siemens" for product "Simatic Wincc Runtime"				-		advanced		Affected