CVE-2011-4877
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (7.53%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a 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.
- CVSS 2.0
- 7.1 HIGHAV:N/AC:M/Au:N/C:N/I:N/A:C
- EPSS
- 7.53% probability · 94th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- siemens/wincc flexible · siemens/wincc · siemens/simatic hmi panels · siemens/wincc runtime advanced · siemens/wincc flexible runtime
- Source
- cret@cert.org
References
- http://aluigi.org/adv/winccflex_1-adv.txt
- http://www.exploit-db.com/exploits/18166
- http://www.osvdb.org/77382
- http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-345442.pdfVendor Advisory
- 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.us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdfUS Government Resource
- https://exchange.xforce.ibmcloud.com/vulnerabilities/71451
- http://aluigi.org/adv/winccflex_1-adv.txt
- http://www.exploit-db.com/exploits/18166
- http://www.osvdb.org/77382
- http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-345442.pdfVendor Advisory
- 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.us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdfUS Government Resource
- https://exchange.xforce.ibmcloud.com/vulnerabilities/71451
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.