CVE-2016-5743

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 10.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-07-22 · updated 2026-06-17
Weakness: CWE-20

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.

Affected products

Siemens Simatic Batch: through 7.1
Siemens Simatic Openpcs 7: through 8.1; through 8.2
Siemens Simatic Wincc: through 7.3; through 7.4

References

http://www.securityfocus.com/bid/92112
http://www.securitytracker.com/id/1036441
http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-378531.pdf
https://ics-cert.us-cert.gov/advisories/ICSA-16-208-01
http://www.securityfocus.com/bid/92112
http://www.securitytracker.com/id/1036441
http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-378531.pdf
https://ics-cert.us-cert.gov/advisories/ICSA-16-208-01

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