CVE-2021-27383

Summary

A vulnerability has been identified in SIMATIC HMI Comfort Outdoor Panels V15 7&#34; & 15&#34; (incl. SIPLUS variants) (All versions < V15.1 Update 6), SIMATIC HMI Comfort Outdoor Panels V16 7&#34; & 15&#34; (incl. SIPLUS variants) (All versions < V16 Update 4), SIMATIC HMI Comfort Panels V15 4&#34; - 22&#34; (incl. SIPLUS variants) (All versions < V15.1 Update 6), SIMATIC HMI Comfort Panels V16 4&#34; - 22&#34; (incl. SIPLUS variants) (All versions < V16 Update 4), SIMATIC HMI KTP Mobile Panels V15 KTP400F, KTP700, KTP700F, KTP900 and KTP900F (All versions < V15.1 Update 6), SIMATIC HMI KTP Mobile Panels V16 KTP400F, KTP700, KTP700F, KTP900 and KTP900F (All versions < V16 Update 4), SIMATIC WinCC Runtime Advanced V15 (All versions < V15.1 Update 6), SIMATIC WinCC Runtime Advanced V16 (All versions < V16 Update 4), SINAMICS GH150 (All versions), SINAMICS GL150 (with option X30) (All versions), SINAMICS GM150 (with option X30) (All versions), SINAMICS SH150 (All versions), SINAMICS SL150 (All versions), SINAMICS SM120 (All versions), SINAMICS SM150 (All versions), SINAMICS SM150i (All versions). SmartVNC has a heap allocation leak vulnerability in the server Tight encoder, which could result in a Denial-of-Service condition.

Affected Software

Weaknesses

• CWE-770: CWE-770: Allocation of Resources Without Limits or Throttling

ADP Enrichment

CVE Program Container

Additional References

• https://cert-portal.siemens.com/productcert/pdf/ssa-538778.pdf
• https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf
• https://us-cert.cisa.gov/ics/advisories/icsa-21-131-12

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: yes
  • Technical Impact: partial

References

• https://cert-portal.siemens.com/productcert/pdf/ssa-538778.pdf
• https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf
• https://us-cert.cisa.gov/ics/advisories/icsa-21-131-12

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