CVE-2020-12783
HIGH 7.5EPSS 4.6%
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.
- CVSS v3.1 NVD
- 7.5 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS v2.0 NVD
- 5.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N - EPSS
- 4.55% chance of exploitation in the next 30 days, 91st percentile
- Published
- 2020-05-11
- Updated
- 2024-08-04
Proof-of-concept exploits (1)
Security advisories
- https://bugs.exim.org/show_bug.cgi?id=2571
- https://git.exim.org/exim.git/commit/57aa14b216432be381b6295c312065b2fd034f86
- https://git.exim.org/exim.git/commit/a04174dc2a84ae1008c23b6a7109e7fa3fb7b8b0
- https://lists.debian.org/debian-lts-announce/2020/05/msg00017.html
- https://usn.ubuntu.com/4366-1
- https://www.debian.org/security/2020/dsa-4687