All vulnerabilities

Servers and applications

CVE-2013-2111

The IMAP functionality in Dovecot before 2.2.2 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via invalid APPEND parameters.

Severity
Medium 5.0
Published
27 May 2014
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
2.4% in the next 30 daysHigher than 84% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Improper input validation (CWE-20)
Attack
Over the network · No login needed
Attacker can
Slow it down
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Sources
NVD

Affected software

SoftwareAffected versions
DovecotServers and applications · cpe:a:dovecot:dovecot
  • Version 2.2.0
  • Version 2.2-rc7
  • Version 2.2-rc6
  • Version 2.2-rc5
All 9 release lines
  • Every version up to 2.2.1
  • Version 2.2-rc1
  • Version 2.2-rc2
  • Version 2.2-rc3
  • Version 2.2-rc4
  • Version 2.2-rc5
  • Version 2.2-rc6
  • Version 2.2-rc7
  • Version 2.2.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2013-2111
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2013-2111