Cyber Resilience

CVE-2021-22173

LowPublic PoC

Published: 17 February 2021

Published
17 February 2021
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS Score 0.0050 66.4th percentile
Risk Priority 8 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-22173 is a low-severity Missing Release of Memory after Effective Lifetime (CWE-401) vulnerability in Fedoraproject Fedora. Its CVSS base score is 3.7 (Low).

Operationally, ranked in the top 33.6% 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

Memory leak in USB HID dissector in Wireshark 3.4.0 to 3.4.2 allows denial of service via packet injection or crafted capture file

CWE(s)
CWE-401

Related Threats

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

Affected Assets

wireshark
wireshark
3.4.0 — 3.4.3
fedoraproject
fedora
32, 33
oracle
zfs storage appliance
8.8

Mitigating Controls

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

References