All vulnerabilities

Servers and applications

CVE-2011-2166

script-login in Dovecot 2.0.x before 2.0.13 does not follow the user and group configuration settings, which might allow remote authenticated users to bypass intended access restrictions by leveraging a script.

Severity
Medium 6.5
Published
24 May 2011
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
2% in the next 30 daysHigher than 81% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
CWE-16
Attack
Over the network · Needs a login
Attacker can
Read some data · Change some data · Slow it down
CVSS vector
AV:N/AC:L/Au:S/C:P/I:P/A:P
Sources
NVD

Affected software

SoftwareAffected versions
DovecotServers and applications · cpe:a:dovecot:dovecot
  • Version 2.0.12
  • Version 2.0.11
  • Version 2.0.10
  • Version 2.0.9
All 13 release lines
  • Version 2.0.0
  • Version 2.0.1
  • Version 2.0.2
  • Version 2.0.3
  • Version 2.0.4
  • Version 2.0.5
  • Version 2.0.6
  • Version 2.0.7
  • Version 2.0.8
  • Version 2.0.9
  • Version 2.0.10
  • Version 2.0.11
  • Version 2.0.12

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2011-2166
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2011-2166