CVE-2014-5074

Simatic S7 1500 Cpu Firmware vulnerability

CVSS

7.1

EPSS

9.7%

EPSS pct

95th

Exploited

No known

Siemens SIMATIC S7-1500 CPU devices with firmware before 1.6 allow remote attackers to cause a denial of service (device restart and STOP transition) via crafted TCP packets.

Affected vendor

Siemens

Affected product

Simatic S7 1500 Cpu Firmware

CVSS vector

AV:N/AC:M/Au:N/C:N/I:N/A:C

Published

2014-08-17

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, medium attack complexity, requiring no authentication. Successful exploitation leads to complete impact to availability.

Its EPSS score of 9.7% reflects a lower 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-2014-5074

Confirm whether Siemens Simatic S7 1500 Cpu Firmware is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2014-5074.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2014-5074

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2014-5074 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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