CVE-2021-21974EPSS p98.6%
CVE-2021-21974CVE-2021-21974
vmware / cloud_foundation
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.
Scoring
| CVSS | 8.8 () |
| Vector | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 45.06% probability of exploitation · percentile 98.6% · 2026-06-18T12:00:27Z |
| Last modified | 2026-06-02 |
Related by meaning· 6
Nearest entities by semantic similarity across the cs-graph corpus.