RCE in Moxa Awk-3131a
CVE-2019-5140
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.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.028 (85.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 85.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.028 · newest: 0.028 · change: 0.000
Affected products
- Moxa Awk-3131a
- Moxa Awk-3131a Firmware — versions 1.13
- Moxa — versions Moxa AWK-3131A firmware version 1.13
Weakness classification (CWE)
References
- talosintelligence.com/vulnerability_reports/TALOS-2019-0929 (Third Party Advisory)
Frequently asked questions
- What is CVE-2019-5140?
- CVE-2019-5140 is a high-severity vulnerability in Moxa Awk-3131a, classified under OS Command Injection. CVSS score: 8.8/10. Published 2020-02-25.
- How severe is CVE-2019-5140?
- High severity. CVSS v3 base score is 8.8 out of 10.