CVEs / CVE-2019-3929
CVE-2019-3929: Crestron Multiple Products Command Injection Vulnerability
- Known exploited in the CISA KEV catalog since 15 Apr 2022
- critical 9.8 CVSS 3.1 (NVD)
- EPSS 98.9% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
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.
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 and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| 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 1.6.0.2 | — |
| 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-101 firmware 2.7.0.1 | — |
| 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. | Barco wePresent WiPG-1000P firmware 2.3.0.10 | — |
| 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. | Barco wePresent WiPG-1600W before firmware 2.4.1.19 | — |
| 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. | Extron ShareLink 200/250 firmware 2.0.3.4 | — |
| 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. | Teq AV IT WIPS710 firmware 1.1.0.7 | — |
| 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. | SHARP PN-L703WA firmware 1.4.2.3 | — |
| 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. | Optoma WPS-Pro firmware 1.0.0.5 | — |
| 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. | Blackbox HD WPS firmware 1.0.0.5 | — |
| 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. | InFocus LiteShow3 firmware 1.0.16 | — |
| 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. | and InFocus LiteShow4 2.0.0.7 | — |
Exploitation
| In CISA KEV since | 15 Apr 2022 |
|---|---|
| Due date for US federal agencies | 6 May 2022 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply updates per vendor instructions. |
Severity
| CVSS 3.1 | 9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-79, CWE-78 |
References
- CVE-2019-3929 on NVD
- CVE-2019-3929 in the CISA KEV catalog
- http://packetstormsecurity.com/files/152715/Barco-AWIND-OEM-Presentation-Platform-Unauthenticated-Remote-Command-Injection.html Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/155948/Barco-WePresent-file_transfer.cgi-Command-Injection.html Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/46786/ Exploit, Third Party Advisory, VDB Entry
- https://www.tenable.com/security/research/tra-2019-20 Exploit, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-3929 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.