CVE-2020-12783
HIGH7.5EPSS 5.5%exim4 - security update
Published: 5/11/2020Modified: 4/28/2026
Description
Exim through 4.93 has an out-of-bounds read in the SPA authenticator that could result in SPA/NTLM authentication bypass in auths/spa.c and auths/auth-spa.c.
Affected packages (3)
- Debian/exim4from 0, < 4.93-16
- Debian/exim4from 0, < 4.84.2-2+deb8u7
- Debian/exim4from 0, < 4.89-2+deb9u7
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |