vulnerability
VMSA-2021-0014: ESXi OpenSLP denial-of-service vulnerability (CVE-2021-21995)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:N/I:N/A:P) | Jul 13, 2021 | Sep 12, 2022 | Oct 7, 2025 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
Jul 13, 2021
Added
Sep 12, 2022
Modified
Oct 7, 2025
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.
Solutions
vmware-esxi65-upgrade-18071574vmware-esxi67-upgrade-17700523vmware-esxi700-upgrade-17630552vmware-esxi701-upgrade-17630552vmware-esxi702-upgrade-17630552
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