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[ CVE-2021-1498 · Published 6 May 2021 ]

Cisco HyperFlex HX Data Platform Command Injection Vulnerability

Exploited · CISA KEV CVSS 9.8 EPSS 100%No fix listed yet

[ Why it matters ]Priority signals

  • Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2021-11-03
  • EPSS: 100% chance of exploitation in the next 30 days (higher than 100% of CVEs)
  • Critical severity: CVSS 9.8

[ Description ]Official description

Multiple vulnerabilities in the web-based management interface of Cisco HyperFlex HX could allow an unauthenticated, remote attacker to perform command injection attacks against an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

CISA: Cisco HyperFlex HX Installer Virtual Machine contains an insufficient input validation vulnerability which could allow an attacker to execute commands on an affected device as the tomcat8 user.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 17 Nov 2021): Apply updates per vendor instructions.

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References