CVE-2021-36580 Open redirect in n/a

Medium 6.1 Published Updated

An attacker can redirect users to malicious sites via the referer parameter in IceWarp Mail Server, potentially facilitating phishing attacks.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2021-36580?

CVE-2021-36580 is a medium-severity vulnerability in n/a, published on 27 Jul 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

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

Weakness: CWE-601

Which versions are affected by CVE-2021-36580?

It affects 2 products.

Products include Icewarp Icewarp Server, Icewarp Mail Server.

How do I fix CVE-2021-36580?

No fix has been published for CVE-2021-36580 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-36580 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-36580 exists.

Public exploit code: 1 Nuclei template.

Sources

Also known as GHSA-5q6m-32cq-4f86.

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