CVE-2016-8562
Actively exploited. CVE-2016-8562 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-03) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
An improper privilege management vulnerability exists within the Siemens SIMATIC Communication Processor (CP) that allows a privileged attacker to remotely cause a denial of service.
CSIRTS triage
- What
- An improper privilege management vulnerability exists within the Siemens SIMATIC Communication Processor that allows a privileged attacker to remotely cause a denial of service.
- Who is affected
- Users of the Siemens SIMATIC CP 1543-1 are affected by this vulnerability.
- Urgency
- Remediation is critical due to the potential for denial of service and confirmed exploitation.
- Action
- Update the firmware of the SIMATIC CP 1543-1.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 88% of all EPSS-scored CVEs.
Advisory coverage (1)
- criticalexploitedCVE-2016-8562: Siemens SIMATIC CP 1543-1 Improper Privilege Management Vulnerabilitycisa-kev · 2022-03-03
External references
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