What’s Vulnerable › Vulnerabilities

CVE-2021-20024

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-07-09 · updated 2026-06-17
• Weakness: CWE-125

Description

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.

Affected products

• SonicWall Switch: through 1.0.0.5-16

References

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

Get alerted when CVE-2021-20024 or the next vulnerability affects your stack