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CVE-2016-8562: Siemens SIMATIC CP 1543-1 Improper Privilege Management Vulnerability

criticalknown exploitedCVE-2016-8562
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation 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

vendor: Siemensproduct: SIMATIC CP 1543-1Privilege escalationDenial of service
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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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-03-03
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2016-8562

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2016-8562coverage & exploitation statusNVD · CVE.org

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