Cyber Resilience

CVE-2021-42197

HighPublic PoC

Published: 02 June 2022

Published
02 June 2022
Modified
21 November 2024
KEV Added
—
Patch
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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 0.0054 68.0th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-42197 is a high-severity Missing Release of Memory after Effective Lifetime (CWE-401) vulnerability in Swftools Swftools. Its CVSS base score is 7.8 (High).

Operationally, ranked in the top 32.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

An issue was discovered in swftools through 20201222 through a memory leak in the swftools when swfdump is used. It allows an attacker to cause code execution.

CWE(s)
CWE-401

Related Threats

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

Affected Assets

swftools
swftools
≤ 2020-12-22

Mitigating Controls

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

References