CVE-2021-21974
High
Description
OpenSLP as used in ESXi (7.0 before ESXi70U1c-17325551, 6.7 before ESXi670-202102401-SG, 6.5 before ESXi650-202102101-SG) has a heap-overflow vulnerability. A malicious actor residing within the same network segment as ESXi who has access to port 427 may be able to trigger the heap-overflow issue in OpenSLP service resulting in remote code execution.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Vmware Esxi
PublishedFeb 24, 2021
First seenFeb 24, 2021
Weakness typeCWE-787Out-of-bounds write
How to fix
Update
- vmware cloud_foundation3.10.1.2, 4.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| vmware esxi | 6.5, 6.7 | — |
| vmware cloud_foundation | 3.0 ≤ v < 3.10.1.2, 4.0 ≤ v < 4.2 | 3.10.1.2, 4.2 |
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