CVE-2021-36580: Medium severity IceWarp Mail Server vulnerability
Open Redirect vulnerability exists in IceWarp MailServer IceWarp Server Deep Castle 2 Update 1 (13.0.1.2) via the referer parameter.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
IceWarp MailServer / IceWarp Server Deep Castleto a version that resolves this vulnerability.Fixed in 13.0.1.2 - Configuration
Mitigate the open redirect by validating and sanitizing the referer parameter and only allowing redirects to whitelisted/approved targets.
IceWarp MailServer / IceWarp Server Deep Castle referer parameter handling = Validate/sanitize the referer parameter and restrict redirects to permitted destinations
Event History
Frequently Asked Questions
What is CVE-2021-36580?
CVE-2021-36580 is an Open Redirect vulnerability that exists in IceWarp MailServer IceWarp Server Deep Castle 2 Update 1 (13.0.1.2) via the referer parameter.
How severe is CVE-2021-36580?
CVE-2021-36580 has a severity level of 6.1 (medium).
Which software versions are affected by CVE-2021-36580?
IceWarp Server and IceWarp Mail Server versions up to 13.0.1.2 are affected by CVE-2021-36580.
How can I fix CVE-2021-36580?
Apply the latest security patch or update to IceWarp Server and IceWarp Mail Server to fix CVE-2021-36580.
Where can I find more information about CVE-2021-36580?
More information about CVE-2021-36580 can be found at the following references: [https://medium.com/@rohitgautam26/cve-2021-36580-69219798231c](https://medium.com/@rohitgautam26/cve-2021-36580-69219798231c), [http://mail.ziyan.com](http://mail.ziyan.com), [http://icewarp.com](http://icewarp.com).