CVE-2021-20023

MediumCVSS 4.9/10Known exploited (CISA KEV)Last modified Oct 1, 2026

Description

SonicWall Email Security version 10.0.9.x contains a vulnerability that allows a post-authenticated attacker to read an arbitrary file on the remote host.

Metrics

CVSS 3.1 4.9/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Apr 20, 2021
Last modified
Oct 1, 2026
Added to CISA KEV
Nov 3, 2021
NVD status
Analyzed

Related CVEs from 2021

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CVE-2021-20023: Medium severity, CVSS 4.9 | Vulnix