Vulnerability Details CVE-2021-28374
The Debian courier-authlib package before 0.71.1-2 for Courier Authentication Library creates a /run/courier/authdaemon directory with weak permissions, allowing an attacker to read user information. This may include a cleartext password in some configurations. In general, it includes the user's existence, uid and gids, home and/or Maildir directory, quota, and some type of password information (such as a hash).
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 47.6%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
Products affected by CVE-2021-28374
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cpe:2.3:a:debian:courier-authlib:0.66.4-9
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cpe:2.3:a:debian:courier-authlib:0.69.0-2
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cpe:2.3:a:debian:courier-authlib:0.71.0-1
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cpe:2.3:a:debian:courier-authlib:0.71.1-1
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cpe:2.3:o:debian:debian_linux:9.0