THREATPORT/VULNERABILITY/CVE-2016-5874
HIGH SEVERITY

CVE-2016-5874

Simatic Net Pc Software vulnerability

CVSS
7.5
EPSS
3.5%
EPSS pct
88th
Exploited
No known
Siemens SIMATIC NET PC-Software before 13 SP2 allows remote attackers to cause a denial of service (OPC UA service outage) via crafted TCP packets.
Affected vendor
Siemens
Affected product
Simatic Net Pc Software
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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 availability.

Its EPSS score of 3.5% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2016-5874

  • Confirm whether Siemens Simatic Net Pc Software is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2016-5874.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2016-5874

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2016-5874 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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