CVE-2020-16094
HIGHCVSS 7.5/10EPSS 1.78%
Last modified
CVE-2020-16094 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. In imap_scan_tree_recursive in Claws Mail through 3.17.6, a malicious IMAP server can trigger stack consumption because of unlimited recursion into subdirectories during a rebuild of the folder tree.. EPSS estimates a 1.78% chance of exploitation in the next 30 days.
Description
In imap_scan_tree_recursive in Claws Mail through 3.17.6, a malicious IMAP server can trigger stack consumption because of unlimited recursion into subdirectories during a rebuild of the folder tree.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Claws-Mail | Claws-Mail | <= 3.17.6 |
| Fedoraproject | Fedora | 31 |
| Fedoraproject | Fedora | 32 |
| Fedoraproject | Fedora | 33 |
References
- https://www.thewildbeast.co.uk/claws-mail/bugzilla/show_bug.cgi?id=4313Exploit, Issue Tracking, Third Party Advisory
- https://www.thewildbeast.co.uk/claws-mail/bugzilla/show_bug.cgi?id=4313Exploit, Issue Tracking, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-16094?
In imap_scan_tree_recursive in Claws Mail through 3.17.6, a malicious IMAP server can trigger stack consumption because of unlimited recursion into subdirectories during a rebuild of the folder tree.
How severe is CVE-2020-16094?
CVE-2020-16094 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.78% probability of exploitation in the next 30 days.
How do I fix CVE-2020-16094?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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Are you affected by CVE-2020-16094?
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Scan your code nowSource: NVD / NIST