CVE-2021-29323

CVE-2021-29323 is a medium-severity vulnerability in Moddable with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Description

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

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 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2021-29323 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-29323?
CVE-2021-29323 affects Moddable. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-29323?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-29323 published?
CVE-2021-29323 was published on 2021-11-19 and last updated on 2026-06-17.

References

Affected products (1)

More vulnerabilities in Moddable

All CVEs affecting Moddable →

Other CWE-787 (Out-of-bounds Write) vulnerabilities

Browse all CWE-787 (Out-of-bounds Write) vulnerabilities →