CVE-2011-3481
4.3 · MEDIUMOverview
CVE-2011-3481 is a medium-severity vulnerability affecting cmu cyrus_imap_server. It was published on September 14, 2011 and has a CVSS 2.0 base score of 4.3 (MEDIUM).
This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
The index_get_ids function in index.c in imapd in Cyrus IMAP Server before 2.4.11, when server-side threading is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted References header in an e-mail message.
Remediation
Check the references section for vendor advisories and patches from cmu. Update cyrus_imap_server to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| cmu | cyrus_imap_server | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2011-3481?
CVE-2011-3481 is a medium-severity vulnerability affecting cmu cyrus_imap_server. It was published on September 14, 2011 and has a CVSS 2.0 base score of 4.3 (MEDIUM).
How severe is CVE-2011-3481?
This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2011-3481?
Check the references section for vendor advisories and patches from cmu. Update cyrus_imap_server to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2011-3481?
CyberStrike's AI-powered security agents can automatically detect CVE-2011-3481 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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