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CVE-2021-20023

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

Basic Information

CVE State
PUBLISHED
Reserved Date
December 17, 2020
Published Date
April 20, 2021
Last Updated
October 21, 2025
Vendor
SonicWall
Product
Email Security
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.
Tags
cisa malware ransomware edge

CVSS Scores

CVSS v3.1

4.9 - MEDIUM

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

CVSS v2.0

4.0

Vector: AV:N/AC:L/Au:S/C:P/I:N/A:N

SSVC Information

Exploitation
active
Technical Impact
partial

Exploit Status

Exploited in the Wild
Yes (2021-11-03 00:00:00 UTC) Source
Used in Malware
Yes (added 2021-11-03 00:00:00 UTC) Source

References

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0010

Known Exploited Vulnerability Information

Source Added Date
CISA 2021-11-03 00:00:00 UTC
CISA 2021-11-03 00:00:00 UTC

Timeline

  • CVE ID Reserved

  • CVE Published to Public

  • Exploit Used in Malware

  • Added to KEVIntel

  • Added to KEVIntel