VULNERABILITY INTELLIGENCE

CVE-2021-21995

CVSS score7.5 HIGH
EPSS probability0.96%
CISA KEVNot currently listed
Published2021-07-13
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

  • CWE-125: Out-of-bounds Read

Primary references