CVE-2023-27582 is a critical authentication bypass vulnerability affecting maddy mail server versions 0.2.0 through 0.6.2. An attacker can fully bypass authentication by specifying an arbitrary authorization username when using the PLAIN SASL mechanism, as the server incorrectly validates only the authentication username. This vulnerability carries a CVSS score of 9.8 (Critical) due to its network-based attack vector, low complexity, and high impact on confidentiality, integrity, and availability. There is currently no known active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 0.2.0, < 0.6.3CPE matchmatch criteria | cpe:2.3:a:maddy_project:maddy:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.