CVE-2020-12272
opendmarc - security update
5.3
MEDIUM
CVSS 3.1
EPSS 0.81%
Description
OpenDMARC through 1.3.2 and 1.4.x allows attacks that inject authentication results to provide false information about the domain that originated an e-mail message. This is caused by incorrect parsing and interpretation of SPF/DKIM authentication results, as demonstrated by the example.net(.example.com substring.
How to fix CVE-2020-12272
To remediate CVE-2020-12272, upgrade the affected package to a fixed version below.
- —upgrade to 1.4.0~beta1+dfsg-4 or later
- —upgrade to 1.3.2-6+deb10u3 or later
Is CVE-2020-12272 being exploited?
Low — EPSS is 0.8%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.4.0~beta1+dfsg-4
- from 0, < 1.3.2-6+deb10u3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |