CVE-2021-20023

Known Exploited

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.

Category

4.9
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 63.08% Top 5%
KEV Since 
Vendor Advisory sonicwall.com
Affected: SonicWall Email Security
Published at:
Updated at:

References

Link Tags
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0010 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-20023?
CVE-2021-20023 has been scored as a medium severity vulnerability.
How to fix CVE-2021-20023?
To fix CVE-2021-20023, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-20023 being actively exploited in the wild?
It is confirmed that CVE-2021-20023 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~63% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-20023?
CVE-2021-20023 affects SonicWall Email Security.
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