CVE-2014-2258: n/a vulnerability

CVE-2014-2258: Siemens SIMATIC S7-1200 CPU PLC devices with firmware before 4.0 allow remote attackers to cause a denial o...

Siemens SIMATIC S7-1200 CPU PLC devices with firmware before 4.0 allow remote attackers to cause a denial of service (defect-mode transition) via crafted HTTPS packets, a different vulnerability than CVE-2014-2259.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 10:06 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2014-2258 is a denial-of-service issue in Siemens SIMATIC S7-1200 CPU PLCs running firmware before 4.0. A remote attacker could send crafted HTTPS packets that force the controller into defect mode, potentially disrupting industrial process availability. Exposure is most relevant where S7-1200 CPU PLCs with firmware before 4.0 are reachable over networks that can send HTTPS traffic to the device. Internet exposure, flat OT networks, or remote access paths would increase operational risk. Treat as high priority for environments using affected Siemens PLCs, because the business impact is process disruption rather than data theft. Priority depends on whether vulnerable controllers are reachable from untrusted or broad internal networks. Mitigation focus: Inventory Siemens SIMATIC S7-1200 CPU PLC firmware versions.; Prioritize devices running firmware earlier than 4.0.; Review Siemens SSA-654382 for vendor-confirmed remediation guidance..

Prepared: Jun 14, 2026, 14:32 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Mar 22, 2014, 01:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors

0Timeline events

0ADP providers

2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
https://cert-portal.siemens.com/productcert/pdf/ssa-654382.pdfCVE reference · x_refsource_CONFIRM

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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