CVE-2019-5148

Name: CVE-2019-5148
Creator: NVD / NIST
Published: 2020-02-25T16:15:10.89+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 2.52%

Last modified Jun 17, 2026

CVE-2019-5148 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An exploitable denial-of-service vulnerability exists in ServiceAgent functionality of the Moxa AWK-3131A, firmware version 1.13. A specially crafted packet can cause an integer underflow, triggering a large memcpy that will access unmapped or out-of-bounds memory. EPSS estimates a 2.52% chance of exploitation in the next 30 days.

Description

An exploitable denial-of-service vulnerability exists in ServiceAgent functionality of the Moxa AWK-3131A, firmware version 1.13. A specially crafted packet can cause an integer underflow, triggering a large memcpy that will access unmapped or out-of-bounds memory. An attacker can send this packet while unauthenticated to trigger this vulnerability.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

2.52%

82.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Moxa	Awk-3131a Firmware	1.13

References

https://talosintelligence.com/vulnerability_reports/TALOS-2019-0938Exploit, Technical Description, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0938Exploit, Technical Description, Third Party Advisory

Timeline

Published: Feb 25, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-5148?

How severe is CVE-2019-5148?

CVE-2019-5148 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.52% probability of exploitation in the next 30 days.

How do I fix CVE-2019-5148?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-5148?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST