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[ CVE-2019-3929 · Published 30 Apr 2019 ]

Crestron Multiple Products Command Injection Vulnerability

Exploited · CISA KEV CVSS 9.8 EPSS 99%No fix listed yet

[ Why it matters ]Priority signals

  • Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2022-04-15
  • EPSS: 99% chance of exploitation in the next 30 days (higher than 100% of CVEs)
  • Critical severity: CVSS 9.8

[ Description ]Official description

The Crestron AM-100 firmware 1.6.0.2, Crestron AM-101 firmware 2.7.0.1, Barco wePresent WiPG-1000P firmware 2.3.0.10, Barco wePresent WiPG-1600W before firmware 2.4.1.19, Extron ShareLink 200/250 firmware 2.0.3.4, Teq AV IT WIPS710 firmware 1.1.0.7, SHARP PN-L703WA firmware 1.4.2.3, Optoma WPS-Pro firmware 1.0.0.5, Blackbox HD WPS firmware 1.0.0.5, InFocus LiteShow3 firmware 1.0.16, and InFocus LiteShow4 2.0.0.7 are vulnerable to command injection via the file_transfer.cgi HTTP endpoint. A remote, unauthenticated attacker can use this vulnerability to execute operating system commands as root.

CISA: Multiple Crestron products are vulnerable to command injection via the file_transfer.cgi HTTP endpoint. A remote, unauthenticated attacker can use this vulnerability to execute operating system commands as root.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 6 May 2022): 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