CVE-2019-5140
mediumpriority · track · 36EPSS 0.028 · 86 %ileEURUUSEPSS · scored 2026-10-27
An exploitable command injection vulnerability exists in the iwwebs functionality of the Moxa AWK-3131A firmware version 1.13. A specially crafted diagnostic script file name can cause user input to be reflected in a subsequent iwsystem call, resulting in remote control over the device. An attacker can send commands while authenticated as a low privilege user to trigger this vulnerability.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
No vendor fix yet; a mitigation is available.
- MitigationMoxa AWK-3131Acisa_csaf_ot
Moxa has created a security patch to mitigate these vulnerabilities. Please contact Moxa technical support to obtain it. For additional information see the Moxa advisory.
https://www.moxa.com/en/support/support/security-advisory/awk-3131a-series-industrial-ap-bridge-client-vulnerabilities
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.5–8.8
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (5)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- ICSA-20-063-04Moxa AWK-3131A Series Industrial AP/Bridge/Client2020-03-03icsa · cisa_csaf_otUS
Successful exploitation of these vulnerabilities could allow an attacker to gain control of the device and remotely execute arbitrary code.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- https://nvd.nist.gov/vuln/detail/CVE-2019-5140cnnvd
- https://talosintelligence.com/vulnerability_reports/TALOS-2019-0929cnnvd
- https://www.auscert.org.au/bulletins/ESB-2020.0781/cnnvd
- https://www.moxa.com/en/support/support/security-advisory/awk-3131a-series-industrial-ap-bridge-client-vulnerabilitiesPatchcnnvd
- https://www.us-cert.gov/ics/advisories/icsa-20-063-04cnnvd
- https://talosintelligence.com/vulnerability_reports/TALOS-2019-0929enisa_euvd
- https://talosintelligence.com/vulnerability_reports/TALOS-2019-0929Third Party Advisorynvd
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