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HIGH · 8.1

CVE-2021-20024

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 loca...

Vulnerability 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.

CVSS Score

8.1

HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
SonicwallSwitch<= 1.0.0.5-16
SonicwallSws12-10Fpoe-
SonicwallSws12-8-
SonicwallSws12-8Poe-
SonicwallSws14-24-
SonicwallSws14-24Fpoe-
SonicwallSws14-48-
SonicwallSws14-48Fpoe-

Related Weaknesses (CWE)

CWE-125

References

FAQ

What is CVE-2021-20024?

CVE-2021-20024 is a vulnerability with a CVSS score of 8.1 (HIGH). 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 loca...

How severe is CVE-2021-20024?

CVE-2021-20024 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-20024?

Check the references section above for vendor advisories and patch information. Affected products include: Sonicwall Switch, Sonicwall Sws12-10Fpoe, Sonicwall Sws12-8, Sonicwall Sws12-8Poe, Sonicwall Sws14-24.