CVE-2021-44647
MediumPublic PoC
Published: 11 January 2022
Published
11 January 2022
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.0013
32.5th percentile
Risk Priority
11
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-44647 is a medium-severity Type Confusion (CWE-843) vulnerability in Lua Lua. Its CVSS base score is 5.5 (Medium).
Operationally, ranked at the 32.5th 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
- 🇪🇺 ENISA EUVD: EUVD-2021-31468
Vulnerability details
Lua v5.4.3 and above are affected by SEGV by type confusion in funcnamefromcode function in ldebug.c which can cause a local denial of service.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
lua
lua
5.4.3
fedoraproject
fedora
34
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.