CVE-2016-5743

Description

Siemens SIMATIC WinCC before 7.3 Update 10 and 7.4 before Update 1, SIMATIC BATCH before 8.1 SP1 Update 9 as distributed in SIMATIC PCS 7 through 8.1 SP1, SIMATIC OpenPCS 7 before 8.1 Update 3 as distributed in SIMATIC PCS 7 through 8.1 SP1, SIMATIC OpenPCS 7 before 8.2 Update 1 as distributed in SIMATIC PCS 7 8.2, and SIMATIC WinCC Runtime Professional before 13 SP1 Update 9 allow remote attackers to execute arbitrary code via crafted packets.

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 5.63% Top 15%
Vendor Advisory siemens.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securitytracker.com/id/1036441 third party advisory vdb entry
https://ics-cert.us-cert.gov/advisories/ICSA-16-208-01
http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-378531.pdf mitigation vendor advisory
http://www.securityfocus.com/bid/92112 third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2016-5743?
CVE-2016-5743 has been scored as a critical severity vulnerability.
How to fix CVE-2016-5743?
To fix CVE-2016-5743, 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-2016-5743 being actively exploited in the wild?
It is possible that CVE-2016-5743 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~6% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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