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Vulnerability record · CVE-2016-5743 · published 22 July 2016

CVE-2016-5743: Siemens simatic batch improper input validation vulnerability

Siemens · Simatic Batch

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.

9.8 CVSS 3.0 Critical EPSS 10% · top 4.4% CWE-20 · Improper input validation
9.8CVSS 3.0 base score, v2 10.0
10%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

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.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2014-8551Siemens simatic pcs 7 code injection vulnerabilityThe WinCC server in Siemens SIMATIC WinCC 7.0 through SP3, 7.2 before Update 9, and 7.3 before Update 2; SIMATIC PCS 7 7.1 through SP4, 8.0 through S…EPSS 5.3%9.9CVE-2021-40358Siemens simatic pcs 7 path traversal vulnerabilityA vulnerability has been identified in SIMATIC PCS 7 V8.2 (All versions), SIMATIC PCS 7 V9.0 (All versions < V9.0 SP3 UC04), SIMATIC PCS 7 V9.1 (All …EPSS 1.3%9.8CVE-2019-10922Siemens simatic pcs 7 missing authentication for critical function vulnerabilityA vulnerability has been identified in SIMATIC PCS 7 V8.0 and earlier (All versions), SIMATIC PCS 7 V8.1 and newer (All versions), SIMATIC WinCC V7.2…EPSS 2.6%8.8CVE-2023-28829Siemens simatic net pc software vulnerabilityA vulnerability has been identified in SIMATIC NET PC Software V14 (All versions), SIMATIC NET PC Software V15 (All versions), SIMATIC PCS 7 V8.2 (Al…EPSS 0.29%8.8CVE-2021-40360Siemens simatic pcs 7 information exposure vulnerabilityA vulnerability has been identified in SIMATIC PCS 7 V8.2 (All versions), SIMATIC PCS 7 V9.0 (All versions), SIMATIC PCS 7 V9.1 (All versions < V9.1 …EPSS 0.68%8.8CVE-2019-10916Siemens simatic pcs 7 sql injection vulnerabilityA vulnerability has been identified in SIMATIC PCS 7 V8.0 and earlier (All versions), SIMATIC PCS 7 V8.1 (All versions < V8.1 with WinCC V7.3 Upd 19)…EPSS 1.5%8.8CVE-2019-10918Siemens simatic pcs 7 vulnerabilityA vulnerability has been identified in SIMATIC PCS 7 V8.0 and earlier (All versions), SIMATIC PCS 7 V8.1 (All versions < V8.1 with WinCC V7.3 Upd 19)…EPSS 1.9%8.1CVE-2016-9160Siemens simatic pcs 7 vulnerabilityA vulnerability in SIEMENS SIMATIC WinCC (All versions < SIMATIC WinCC V7.2) and SIEMENS SIMATIC PCS 7 (All versions < SIMATIC PCS 7 V8.0 SP1) could …EPSS 1.4%

Source: NIST National Vulnerability Database (record CVE-2016-5743), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.