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High severity8.1NVD Advisory· Published Jul 9, 2021· Updated Jun 17, 2026

CVE-2021-20024

CVE-2021-20024

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

3
  • SonicWall/Switch2 versions
    cpe:2.3:o:sonicwall:switch:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:sonicwall:switch:*:*:*:*:*:*:*:*range: <=1.0.0.5-16
    • (no CPE)
  • SonicWall/SonicWall Switchv5
    Range: 1.0.0.5-16 and earlier

Patches

Vulnerability mechanics

References

1

News mentions

0

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