CVE-2021-36580

MEDIUM 6.1CVE-2021-36580 · Published 27/07/2023 · updated 09/07/2026

In short

CVE-2021-36580 is a MEDIUM (CVSS 6.1) vulnerability affecting icewarp server (icewarp), mail server (icewarp).
Chance of exploitation in the next 30 days (EPSS): 1.6%, higher than 75.6% of all vulnerabilities.
Fix: update to 13.0.1.2 or later.

Package	Affected versions	Patched versions
icewarp server icewarp	`< 13.0.1.2`	`13.0.1.2`
mail server icewarp	`< 13.0.1.2`	`13.0.1.2`

Open Redirect vulnerability exists in IceWarp MailServer IceWarp Server Deep Castle 2 Update 1 (13.0.1.2) via the referer parameter.

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