THREATPORT/VULNERABILITY/CVE-2016-5743
CRITICAL SEVERITY

CVE-2016-5743

Simatic Batch vulnerability

CVSS
9.8
EPSS
10.5%
EPSS pct
95th
Exploited
No known
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 vendor
Siemens
Affected product
Simatic Batch
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-20 — Improper Input Validation
Published
2016-07-22

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 10.5% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 95% of all scored CVEs.

Check your external exposure to CVE-2016-5743

  • Confirm whether Siemens Simatic Batch is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2016-5743.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2016-5743

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2016-5743 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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