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CVE Record

CVE-2014-2259: Siemens SIMATIC S7-1500 CPU PLC devices with firmware before 1.5.0 allow remote attackers to cause a denial...

Siemens SIMATIC S7-1500 CPU PLC devices with firmware before 1.5.0 allow remote attackers to cause a denial of service (defect-mode transition) via crafted HTTPS packets.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysis

Security readout for executives and security teams

This vulnerability can let a remote attacker crash or disrupt certain Siemens SIMATIC S7-1500 PLC CPUs by sending crafted HTTPS traffic. For industrial environments, a PLC entering defect mode can interrupt production or process control. The issue applies to firmware before 1.5.0. Exposure is likely where Siemens SIMATIC S7-1500 CPUs run firmware earlier than 1.5.0 and HTTPS access to the PLC is reachable from untrusted, shared, or poorly segmented networks. Treat as a priority for industrial sites using S7-1500 PLCs. The main risk is operational disruption, not data loss. Update affected firmware and confirm network segmentation for PLC management interfaces. Mitigation focus: Upgrade affected SIMATIC S7-1500 CPU firmware to version 1.5.0 or later.; Review Siemens advisory SSA-456423 for current vendor guidance.; Restrict PLC management access to trusted industrial network paths..

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Severity
Unknown
CVSS
Not scored
Known Exploited
No
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Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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