What is CVE-2021-36806?

CVE-2021-36806 is a medium-severity vulnerability in Sophos Email_appliance, classified under Cross-site Scripting. CVSS score: 4.7/10. Published 2023-11-30.

How severe is CVE-2021-36806?

Medium severity. CVSS v3 base score is 4.7 out of 10.

XSS in Sophos Email_appliance

CVE-2021-36806

A reflected XSS vulnerability allows an open redirect when the victim clicks a malicious link to an error page on Sophos Email Appliance older than version 4.5.3.4.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (35.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N.

Affected products

Sophos Email_appliance
Sophos Email Appliance — versions 4.5.3.3

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security-alert@sophos.com (Third Party Advisory)

Frequently asked questions

What is CVE-2021-36806?: CVE-2021-36806 is a medium-severity vulnerability in Sophos Email_appliance, classified under Cross-site Scripting. CVSS score: 4.7/10. Published 2023-11-30.
How severe is CVE-2021-36806?: Medium severity. CVSS v3 base score is 4.7 out of 10.