Vulnerability in Mimecast Email Security
CVE-2020-36519
Mimecast Email Security before 2020-01-10 allows any admin to spoof any domain, and pass DMARC alignment via SPF. This occurs through misuse of the address rewrite feature. (The domain being spoofed must be a customer in the Mimecast grid from which the spoofing occurs.)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.008 (55.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
References
- wesleyk.me/2020/01/10/my-first-vulnerability-mimecast-sender-address-verificati… (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-36519?
- CVE-2020-36519 is a medium-severity vulnerability in Mimecast Email Security. CVSS score: 4.9/10. Published 2022-03-16.
- How severe is CVE-2020-36519?
- Medium severity. CVSS v3 base score is 4.9 out of 10.