CVE-2011-4877

N/A Unknown
Published: February 03, 2012 Modified: April 29, 2026
View on NVD

Description

HmiLoad in the runtime loader in Siemens WinCC flexible 2004, 2005, 2007, and 2008; WinCC V11 (aka TIA portal); the TP, OP, MP, Comfort Panels, and Mobile Panels SIMATIC HMI panels; WinCC V11 Runtime Advanced; and WinCC flexible Runtime, when Transfer Mode is enabled, allows remote attackers to cause a denial of service (application crash) by sending crafted data over TCP.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://aluigi.org/adv/winccflex_1-adv.txt
Source: cret@cert.org
http://www.exploit-db.com/exploits/18166
Source: cret@cert.org
http://www.osvdb.org/77382
Source: cret@cert.org
http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-345442.pdf
Source: cret@cert.org
Vendor Advisory
http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-332-02.pdf
Source: cret@cert.org
http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-332-02A.pdf
Source: cret@cert.org
http://www.us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdf
Source: cret@cert.org
US Government Resource
https://exchange.xforce.ibmcloud.com/vulnerabilities/71451
Source: cret@cert.org
http://aluigi.org/adv/winccflex_1-adv.txt
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.exploit-db.com/exploits/18166
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.osvdb.org/77382
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-345442.pdf
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-332-02.pdf
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-332-02A.pdf
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdf
Source: af854a3a-2127-422b-91ae-364da2661108
US Government Resource
https://exchange.xforce.ibmcloud.com/vulnerabilities/71451
Source: af854a3a-2127-422b-91ae-364da2661108

16 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
7.5%
94th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-20

Affected Vendors

siemens

Related CVEs

CVE-2026-9677 N/A
CVE-2026-13245 6.1
CVE-2026-12404 5.3
CVE-2026-10820 N/A
CVE-2026-12415 9.8