Siemens SIMATIC CP 1543-1 Improper Privilege Management Vulnerability (CVE-2016-8562)
Severity: high · Patch status: patched · Since 2022-03-03 · CVE-2016-8562
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. CISA added CVE-2016-8562 to its Known Exploited Vulnerabilities catalog on Mar 3, 2022, which means attackers are exploiting it in the wild.
What to do
- Apply updates per vendor instructions.
- US federal agencies must remediate by Mar 24, 2022 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch