CVE-2016-8562

HighActively exploited (CISA KEV)

Description

A vulnerability has been identified in SIMATIC CP 1543-1 (All versions < V2.0.28), SIPLUS NET CP 1543-1 (All versions < V2.0.28). Under special conditions it was possible to write SNMP variables on port 161/udp which should be read-only and should only be configured with TIA-Portal. A write to these variables could reduce the availability or cause a denial-of-service.

SeverityHigh
CVSS7.5
Exploit probability—
ProductSiemens SIMATIC CP
PublishedNov 18, 2016
First seenNov 18, 2016
Added to KEVMar 3, 2022

How to fix

CISA required action

Apply updates per vendor instructions.

CISA due date: Mar 24, 2022
Update
  • siemens simatic_cp_1543-1_firmware2.0.28 or later
  • siemens siplus_net_cp_1543-1_firmware2.0.28 or later

Affected products

ProductAffected versionsFixed in
siemens simatic_cp_1543-1_firmwarev < 2.0.282.0.28
siemens siplus_net_cp_1543-1_firmwarev < 2.0.282.0.28

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