UpHeron
All vulnerabilities

Servers and applications

CVE-2010-3780

Dovecot 1.2.x before 1.2.15 allows remote authenticated users to cause a denial of service (master process outage) by simultaneously disconnecting many (1) IMAP or (2) POP3 sessions.

Severity
Medium 4.0
Published
6 Oct 2010
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
2.1% in the next 30 daysHigher than 81% of CVEs. EPSS by FIRST, 12 Nov 2026
Attack
Over the network · Needs a login
Attacker can
Slow it down
CVSS vector
AV:N/AC:L/Au:S/C:N/I:N/A:P
Sources
NVD

Affected software

SoftwareAffected versions
DovecotServers and applications · cpe:a:dovecot:dovecot
  • Version 1.2.14
  • Version 1.2.13
  • Version 1.2.12
  • Version 1.2.11
All 15 release lines
  • Version 1.2.0
  • Version 1.2.1
  • Version 1.2.2
  • Version 1.2.3
  • Version 1.2.4
  • Version 1.2.5
  • Version 1.2.6
  • Version 1.2.7
  • Version 1.2.8
  • Version 1.2.9
  • Version 1.2.10
  • Version 1.2.11
  • Version 1.2.12
  • Version 1.2.13
  • Version 1.2.14

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2010-3780
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2010-3780