What is CVE-2019-5143?

CVE-2019-5143 is a high-severity vulnerability in Moxa Awk-3131a, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2020-02-25.

How severe is CVE-2019-5143?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Moxa Awk-3131a

CVE-2019-5143

An exploitable format string vulnerability exists in the iw_console conio_writestr functionality of the Moxa AWK-3131A firmware version 1.13. A specially crafted time server entry can cause an overflow of the time server buffer, resulting…

Vulnerability class: Buffer Overflow

EPSS: 0.047 (90.6th percentile) — read the EPSS interpretation.

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.

Affected products

Moxa Awk-3131a
Moxa Awk-3131a_firmware — versions 1.13
N/a Moxa — versions Moxa AWK-3131A Firmware version 1.13

Weakness classification (CWE)

References

talos-cna@cisco.com (Technical Description, Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2019-5143?: CVE-2019-5143 is a high-severity vulnerability in Moxa Awk-3131a, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2020-02-25.
How severe is CVE-2019-5143?: High severity. CVSS v3 base score is 8.8 out of 10.