CVE-2021-29323

Name: CVE-2021-29323
Creator: NVD / NIST
Published: 2021-11-19T17:15:08.027+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.61%

Last modified Jun 17, 2026

CVE-2021-29323 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. OpenSource Moddable v10.5.0 was discovered to contain a heap buffer overflow via the component /modules/network/wifi/esp/modwifi.c.. EPSS estimates a 0.61% chance of exploitation in the next 30 days.

Description

OpenSource Moddable v10.5.0 was discovered to contain a heap buffer overflow via the component /modules/network/wifi/esp/modwifi.c.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.61%

44.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Moddable	Moddable	10.5.0

References

https://github.com/Moddable-OpenSource/moddable/issues/5Exploit, Issue Tracking, Patch, Third Party Advisory
https://github.com/Moddable-OpenSource/moddable/issues/5Exploit, Issue Tracking, Patch, Third Party Advisory

Timeline

Published: Nov 19, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-29323?

OpenSource Moddable v10.5.0 was discovered to contain a heap buffer overflow via the component /modules/network/wifi/esp/modwifi.c.

How severe is CVE-2021-29323?

CVE-2021-29323 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.61% probability of exploitation in the next 30 days.

How do I fix CVE-2021-29323?

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-2021-29323?

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

Scan your code now

Source: NVD / NIST