CVE-2021-20024

8.1 highEPSS 0.6%

High (8.1) in sonicwall switch. EPSS 0.6% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

8.1 high

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 50% of CVEs (scores of 2026-10-31)
CWE: CWE-125
Published: 2021-07-09
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

sonicwall:switch

References

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0011
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0011

Check your stack JSON