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Dossier · Vulnerability

Vulnerability · NVD published 2021-02-24

CVE-2021-21974

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.

Signals

Exploited in the wild
Not on KEVNot in CISA's catalogue as of the last daily pull. Absence is not proof of safety.
EPSS · 30-day forecast
45%Chance of exploitation in the next 30 days, 99th percentile of all CVEs. A forecast; KEV outranks it.
CVSS · NVD · HIGH
8.8CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Internet exposure
not stated by sourcesNo exposure census on this CVE's dispatches.

Exploits

not checked

Not checked yet. Our exploit watch has not looked at this CVE, so this says nothing either way.

On the wire

0 dispatches

No dispatch on our wire has named this CVE yet.

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