PT-2020-1750 · Moxa · Moxa Awk-3131A

Carl Hurd + 2 · Published 2020-02-25 · Updated 2022-06-13 · CVE-2019-5139

Positive Technologies (AI Summary)

CVSS v3.1

7.1

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Name of the Vulnerable Software and Affected Versions Moxa AWK-3131A firmware version 1.13

Description An issue exists in the Moxa AWK-3131A firmware due to the use of hard-coded credentials in multiple iw * utilities. This allows for the creation of custom diagnostic scripts, as the device operating system contains an undocumented encryption password.

Recommendations For Moxa AWK-3131A firmware version 1.13, consider disabling the use of hard-coded credentials in the iw * utilities as a temporary workaround until a patch is available. Restrict access to the undocumented encryption password to minimize the risk of exploitation.

Exploit

Fix

Using Hardcoded Credentials

Weakness Enumeration

CWE-798

Related Identifiers

BDU:2020-00990

CVE-2019-5139

Affected Products

Moxa Awk-3131A

References · 8

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2019-0928 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2019-5139 · Security Note
• https://bdu.fstec.ru/vul/2020-00990 · Security Note
• https://osv.dev/vulnerability/CVE-2019-5139 · Vendor Advisory
• https://t.me/cvenotify/1205 · Telegram Post
• https://t.me/cvenotify/31538 · Telegram Post
• https://moxa.ru/novosti/tidings/prod/ustranenie-uyazvimostej-tochek-dostupa-moxa-awk-3131a · Note
• https://moxa.com/en/support/support/security-advisory/awk-3131a-series-industrial-ap-bridge-client-vulnerabilities · Note