CVE-2020-13163
HIGHCVSS 7.4/10EPSS 0.75%
Last modified
CVE-2020-13163 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. em-imap 0.5 uses the library eventmachine in an insecure way that allows an attacker to perform a man-in-the-middle attack against users of the library. The hostname in a TLS server certificate is not verified.. EPSS estimates a 0.75% chance of exploitation in the next 30 days.
Description
em-imap 0.5 uses the library eventmachine in an insecure way that allows an attacker to perform a man-in-the-middle attack against users of the library. The hostname in a TLS server certificate is not verified.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Em-Imap Project | Em-Imap | 0.5 |
References
- https://github.com/ConradIrwin/em-imap/issues/25Exploit, Third Party Advisory
- https://securitylab.github.com/advisories/GHSL-2020-095-conradirwin-em-imapExploit, Third Party Advisory
- https://github.com/ConradIrwin/em-imap/issues/25Exploit, Third Party Advisory
- https://securitylab.github.com/advisories/GHSL-2020-095-conradirwin-em-imapExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-13163?
em-imap 0.5 uses the library eventmachine in an insecure way that allows an attacker to perform a man-in-the-middle attack against users of the library. The hostname in a TLS server certificate is not verified.
How severe is CVE-2020-13163?
CVE-2020-13163 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 0.75% probability of exploitation in the next 30 days.
How do I fix CVE-2020-13163?
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.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2020-13163?
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Scan your code nowSource: NVD / NIST