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Actively exploited · Published Apr 30, 2019 · Assigned by tenable

CVE-2019-3929

Critical 9.8 Exploited

In plain English

A critical-severity cross-site scripting in Crestron AirMedia, Barco WePresent, Extron ShareLink, Teq AV IT WIPS710, SHARP PN-L703WA, Optoma WPS-Pro, Blackbox HD WPS, InFocus LiteShow3, and InFocus LiteShow4. from Crestron. Attackers are actively exploiting it in the wild (listed by CISA on April 15, 2022). The chance it is exploited in the next 30 days is estimated at 99.0% (higher than 99.9% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit, Nuclei, public proof-of-concept code. Apply updates per vendor instructions.

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)99.0%top 0.1% of all CVEs
Exploited in the wildYesCISA KEV since Apr 15, 2022
Attack tooling3Metasploit, Nuclei, Public PoC

CISA guidance

Apply updates per vendor instructions.

Federal agencies must remediate by May 6, 2022.

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.

Affected products (as reported)

VendorProductVersions
Crestron Crestron AirMedia, Barco WePresent, Extron ShareLink, Teq AV IT WIPS710, SHARP PN-L703WA, Optoma WPS-Pro, Blackbox HD WPS, InFocus LiteShow3, and InFocus LiteShow4. Crestron AM-100 firmware 1.6.0.2Crestron AM-101 firmware 2.7.0.1Barco wePresent WiPG-1000P firmware 2.3.0.10Barco wePresent WiPG-1600W before firmware 2.4.1.19Extron ShareLink 200/250 firmware 2.0.3.4Teq AV IT WIPS710 firmware 1.1.0.7SHARP PN-L703WA firmware 1.4.2.3Optoma WPS-Pro firmware 1.0.0.5

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References