Vulnerabilityhigh
21Nails vulnerabilities impact 60% of the internet's email servers
- CVEs
- CVE-2020-28007CVE-2020-28008CVE-2020-28014CVE-2021-27216CVE-2020-28011CVE-2020-28010CVE-2020-28013CVE-2020-28016CVE-2020-28015CVE-2020-28012CVE-2020-28009CVE-2020-28017CVE-2020-28020CVE-2020-28023CVE-2020-28021CVE-2020-28022CVE-2020-28026CVE-2020-28019CVE-2020-28024CVE-2020-28018CVE-2020-28025CVE-2019-10149CVE-2019-15846CVE-2018-6789
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2018-6789 | Pre-auth Buffer Overflow RCE in Exim SMTP Listener | 9.8 | 82% | KEVRansomwarePoC ×4 | KEV |
| CVE-2019-10149 | Unvalidated Email Recipient Enables Remote Command Execution in Exim MTA | 9.8 | 100% | KEVPoC ×5 | KEV |
| CVE-2019-15846 | Exim before 4.92.2 allows remote attackers to execute arbitrary code as root via a trailing backslash | 9.8 | 36% | ||
| CVE-2020-28018 | Exim 4 before 4.94.2 allows Use After Free in smtp_reset in certain situations that may be common for builds with OpenSSL | 9.8 group max | 57% |
From the original article
3 min read at therecord.media
The maintainers of the Exim email server software have released updates today to patch a collection of 21 vulnerabilities that can allow threat actors to take over servers using both local and remote attack vectors. Known as 21Nails , the vulnerabilities were discovered by security firm Qualys.
therecord.media
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