THREATPORT/VULNERABILITY/CVE-2019-3930
CRITICAL SEVERITY

CVE-2019-3930

Am 100 Firmware vulnerability

CVSS
9.8
EPSS
7.0%
EPSS pct
93th
Exploited
No known
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 a stack buffer overflow in libAwgCgi.so's PARSERtoCHAR function. A remote, unauthenticated attacker can use this vulnerability to execute arbitrary code as root via a crafted request to the return.cgi endpoint.
Affected vendor
Crestron
Affected product
Am 100 Firmware
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-121 — Stack-based Buffer Overflow
  • CWE-787 — Out-of-bounds Write
Published
2019-04-30

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 7.0% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 93% of all scored CVEs.

Check your external exposure to CVE-2019-3930

  • Confirm whether Crestron Am 100 Firmware is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2019-3930.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2019-3930

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2019-3930 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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