Is It On KEV?

Siemens SIMATIC CP

YES - ON THE CISA KEV LIST
CVE-2016-8562

Siemens SIMATIC CP 1543-1 Improper Privilege Management Vulnerability

CISA catalog due date2022-03-24
overdue since 2022-03-24
EPSS exploit probability (next 30 days)3.6% · 90percentile
From CVE publication to KEV listing1931 days (2016-11-18 → 2022-03-03)
Remediation window (KEV listing to due date)21 days
Days on the KEV list1714 days
Date added to KEV2022-03-03
Known ransomware campaign useUnknown
VendorSiemens
ProductSIMATIC CP
Weaknesses (CWE)CWE-20

Siemens: 2 entries (0.1% of all KEV entries are from this vendor); 1 added in 2026.

BOD 26-04 note: this is the date printed in the CISA catalog. A federal agency's actual deadline is set by its SSVC tier - Act (3 days), Attend (14 days), Track (60 days), or the next scheduled upgrade - counted from the KEV listing date or the date the vulnerability is identified in its environment, whichever comes first. Use the tier helper on each CVE page for your own window.

Your BOD 26-04 window (SSVC tier helper)

Your remediation window ends:

Description

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.

Required action (CISA)

Apply updates per vendor instructions.

Notes

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

References

Other KEV entries for this vendor: Siemens

Siemens - Vendors with KEV entries

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