Cyber Resilience

CVE-2020-36401

HighPublic PoC

Published: 01 July 2021

Published
01 July 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0024 47.7th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2020-36401 is a high-severity Double Free (CWE-415) vulnerability in Mruby Mruby. Its CVSS base score is 7.8 (High).

Operationally, ranked at the 47.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

mruby 2.1.2 has a double free in mrb_default_allocf (called from mrb_free and obj_free).

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

mruby
mruby
2.1.2

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References