CVEvulnerability

CVE-2021-21974

8.8 HIGH Published 2021-02-24 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-02-24
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
8.8 HIGH — CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
8.8 HIGH — CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
5.8 MEDIUM — AV:A/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
CWE-787

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.

Affected configurations

• vmware cloud foundation (>= 3.0 < 3.10.1.2) • vmware cloud foundation (>= 4.0 < 4.2) • vmware esxi 6.5 • vmware esxi 6.7 • vmware esxi 7.0.0

Related

Weakness · CWE (1)

  • CWE-787 Out-of-bounds Write weakness

References