Cyber Resilience

CVE-2021-20024

High

Published: 09 July 2021

Published
09 July 2021
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1 8.1 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
EPSS Score 0.0008 22.8th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-20024 is a high-severity Out-of-bounds Read (CWE-125) vulnerability in Sonicwall Switch. Its CVSS base score is 8.1 (High).

Operationally, ranked at the 22.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Multiple Out-of-Bound read vulnerability in SonicWall Switch when handling LLDP Protocol allows an attacker to cause a system instability or potentially read sensitive information from the memory locations.

CWE(s)
CWE-125

Related Threats

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

Affected Assets

sonicwall
switch
≤ 1.0.0.5-16

Mitigating Controls

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

References