Vulnerability in Freron Mailmate
CVE-2020-12619
MailMate before 1.11 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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.004 (34.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 34.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
References
- updates.mailmate-app.com/2.0/release_notes (Release Notes, Vendor Advisory)
- www.nds.ruhr-uni-bochum.de/media/nds/veroeffentlichungen/2020/08/15/mailto-pape… (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-12619?
- CVE-2020-12619 is a medium-severity vulnerability in Freron Mailmate. CVSS score: 5.9/10. Published 2020-08-20.
- How severe is CVE-2020-12619?
- Medium severity. CVSS v3 base score is 5.9 out of 10.