CVE-2020-12618
Last modified
CVE-2020-12618 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. eM Client before 7.2.33412.0 automatically imported S/MIME certificates and thereby silently replaced existing ones. This allowed a man-in-the-middle attacker to obtain an email-validated S/MIME certificate from a trusted CA and replace the public key of the entity to be impersonated. EPSS estimates a 0.35% chance of exploitation in the next 30 days.
Description
eM Client before 7.2.33412.0 automatically imported S/MIME certificates and thereby silently replaced existing ones. This allowed a man-in-the-middle attacker to obtain an email-validated S/MIME certificate from a trusted CA and replace the public key of the entity to be impersonated. This enabled the attacker to decipher further communication. The entire attack could be accomplished by sending a single email.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Emclient | Em Client | < 7.2.33412.0 |
References
- https://www.emclient.com/release-historyRelease Notes, Vendor Advisory
- https://www.emclient.com/release-historyRelease Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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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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