CVE-2021-21995

High

Description

OpenSLP as used in ESXi has a denial-of-service vulnerability due a heap out-of-bounds read issue. A malicious actor with network access to port 427 on ESXi may be able to trigger a heap out-of-bounds read in OpenSLP service resulting in a denial-of-service condition.

SeverityHigh
CVSS7.5
Exploit probability—
ProductVmware Esxi
PublishedJul 13, 2021
First seenJul 13, 2021

How to fix

Update
  • vmware cloud_foundation3.10.2, 4.3 or later

Affected products

ProductAffected versionsFixed in
vmware esxi6.5, 6.7—
vmware cloud_foundation3.0 ≤ v < 3.10.2, 4.0 ≤ v < 4.33.10.2, 4.3

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