Cyber Resilience

CVE-2022-1071

HighPublic PoC

Published: 26 March 2022

Published
26 March 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 8.2 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
EPSS Score 0.0024 46.8th percentile
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-1071 is a high-severity Use After Free (CWE-416) vulnerability in Mruby Mruby. Its CVSS base score is 8.2 (High).

Operationally, ranked at the 46.8th 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

User after free in mrb_vm_exec in GitHub repository mruby/mruby prior to 3.2.

CWE(s)

Related Threats

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

Affected Assets

mruby
mruby
≤ 3.1

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-416

Use-after-free exploits that achieve arbitrary code execution are blocked or significantly hardened by non-executable pages and ASLR.

References