CVE-2011-4877

Public Exploit

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.

Category

7.1
CVSS
Severity: High
CVSS 2.0 •
EPSS 23.69% Top 5%
Vendor Advisory siemens.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-332-02.pdf
http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-332-02A.pdf
http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-345442.pdf vendor advisory
http://www.exploit-db.com/exploits/18166 exploit
http://aluigi.org/adv/winccflex_1-adv.txt
https://exchange.xforce.ibmcloud.com/vulnerabilities/71451 vdb entry
http://www.osvdb.org/77382 vdb entry
http://www.us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdf us government resource

Frequently Asked Questions

What is the severity of CVE-2011-4877?
CVE-2011-4877 has been scored as a high severity vulnerability.
How to fix CVE-2011-4877?
To fix CVE-2011-4877, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-4877 being actively exploited in the wild?
It is possible that CVE-2011-4877 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~24% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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