CVE-2019-5162: moxa awk-3131a_firmware Improper Access Control
Vulnerability summary
CVE-2019-5162 is a critical (CVSS 9.9) Improper Access Control vulnerability in moxa awk-3131a_firmware. EPSS estimates a 2.59% chance of exploitation in the next 30 days, higher than 85.1% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 25-02-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
An exploitable improper access control vulnerability exists in the iw_webs account settings functionality of the Moxa AWK-3131A firmware version 1.13. A specially crafted user name entry can cause the overwrite of an existing user account password, resulting in remote shell access to the device as that user. An attacker can send commands while authenticated as a low privilege user to trigger this vulnerability.
CVSS metrics
4 scores · 2 sources · 3 versions- NVDNIST9.9CriticalCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS trend
Probability
2.59%
Chance of exploitation in the next 30 days
Percentile
85%
Versus all other CVEs
30-day change
0.00 pp
From 2.59% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (talosintelligence.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Moxa1 product
1 vendor · 1 product
References
1 links- talosintelligence.com/vulnerability_reports/TALOS-2019-0955X Refsource MISCExploitTechnical DescriptionThird Party Advisory