dovecot: denial of service through maxxing out SSL connections
Published May 14, 2014
5.0
MEDIUMCVSS 2.0
EPSS 3.33%
Description
Dovecot 1.1 before 2.2.13 and dovecot-ee before 2.1.7.7 and 2.2.x before 2.2.12.12 does not properly close old connections, which allows remote attackers to cause a denial of service (resource consumption) via an incomplete SSL/TLS handshake for an IMAP/POP3 connection.
Affected products
No data.
- 1.1
- 1.1
- 1.1.0
- 1.1.1
- 1.1.2
- 1.1.3
- 1.1.4
- 1.1.5
- 1.1.6
- 1.2.0
- 1.2.1
- 1.2.2
- 1.2.3
- 1.2.4
- 1.2.5
- 1.2.6
- 1.2.7
- 1.2.8
- 1.2.9
- 1.2.10
- 1.2.11
- 1.2.12
- 1.2.13
- 1.2.14
- 1.2.15
- 2.0
- 2.0.0
- 2.0.1
- 2.0.2
- 2.0.3
- 2.0.4
- 2.0.5
- 2.0.6
- 2.0.7
- 2.0.8
- 2.0.9
- 2.0.10
- 2.0.11
- 2.0.12
- 2.0.13
- 2.0.14
- 2.0.15
- 2.1
- 2.1
- 2.1
- 2.1
- 2.1
- 2.1
- 2.1.0
- 2.1.1
- 2.1.2
- 2.1.3
- 2.1.4
- 2.1.5
- 2.1.6
- 2.1.7
- 2.1.8
- 2.1.10
- 2.1.11
- 2.1.12
- 2.1.13
- 2.1.14
- 2.1.15
- 2.2
- 2.2
- 2.2
- 2.2
- 2.2
- 2.2
- 2.2
- 2.2.0
- 2.2.1
- 2.2.2
- 2.2.3
- 2.2.4
- 2.2.5
- 2.2.6
- 2.2.7
- 2.2.8
- 2.2.9
- 2.2.10
- 2.2.13
No data.
Red Hat Enterprise Linux 6
dovecot-1:2.0.9-7.el6_5.1
Fixed · RHSA-2014:0790
Red Hat Enterprise Linux 7
dovecot-1:2.2.10-4.el7_0.1
Fixed · RHSA-2014:0790
Red Hat Enterprise Linux 5
dovecot
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | dovecot-1:2.0.9-7.el6_5.1 | Fixed | RHSA-2014:0790 |
| Red Hat Enterprise Linux 7 | dovecot-1:2.2.10-4.el7_0.1 | Fixed | RHSA-2014:0790 |
| Red Hat Enterprise Linux 5 | dovecot | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat Enterprise Linux 5 is now in Production 3 Phase of the support and maintenance life cycle. This has been rated as having Moderate security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (19 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.33% (0.03331) | 88.22th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.33% (0.03331) | 87.00th | v5 (v2026.06.15) |
| Dec 28, 2025 | 8.35% (0.08347) | 91.98th | v4 (v2025.03.14) |
| Dec 27, 2025 | 4.80% (0.04797) | 89.19th | v4 (v2025.03.14) |
| Oct 28, 2025 | 8.35% (0.08347) | 91.88th | v4 (v2025.03.14) |
| Oct 27, 2025 | 4.80% (0.04797) | 89.02th | v4 (v2025.03.14) |
| Oct 1, 2025 | 8.35% (0.08347) | 91.98th | v4 (v2025.03.14) |
| Jul 30, 2025 | 4.80% (0.04797) | 89.07th | v4 (v2025.03.14) |
| Mar 30, 2025 | 8.35% (0.08347) | 91.47th | v4 (v2025.03.14) |
| Mar 29, 2025 | 11.26% (0.11264) | 89.17th | v4 (v2025.03.14) |
| Mar 19, 2025 | 8.35% (0.08347) | 91.23th | v4 (v2025.03.14) |
| Mar 17, 2025 | 6.16% (0.06157) | 90.13th | v4 (v2025.03.14) |
| Dec 12, 2024 | 9.08% (0.09078) | 94.90th | v3 (v2023.03.01) |
| Dec 25, 2023 | 9.08% (0.09078) | 94.03th | v3 (v2023.03.01) |
| Nov 8, 2023 | 10.14% (0.10140) | 94.35th | v3 (v2023.03.01) |
| Mar 7, 2023 | 8.63% (0.08628) | 93.44th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.78% (0.03779) | 85.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.78% (0.03779) | 84.01th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.78% (0.03779) | 67.21th | v2 (v2022.01.01) |
References (18)
- http://advisories.mageia.org/MGASA-2014-0223.html x_refsource_CONFIRM
- http://dovecot.org/pipermail/dovecot-news/2014-May/000273.html mailing-listx_refsource_MLISTPatchVendor Advisory
- http://linux.oracle.com/errata/ELSA-2014-0790.html x_refsource_CONFIRM
- http://permalink.gmane.org/gmane.mail.imap.dovecot/77499 mailing-listx_refsource_MLISTPatch
- http://rhn.redhat.com/errata/RHSA-2014-0790.html vendor-advisoryx_refsource_REDHAT
- http://secunia.com/advisories/59051 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/59537 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/59552 third-party-advisoryx_refsource_SECUNIA
- http://www.debian.org/security/2014/dsa-2954 vendor-advisoryx_refsource_DEBIAN
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:113 vendor-advisoryx_refsource_MANDRIVA
- http://www.openwall.com/lists/oss-security/2014/05/09/4 mailing-listx_refsource_MLISTPatch
- http://www.openwall.com/lists/oss-security/2014/05/09/8 mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/67306 vdb-entryx_refsource_BID
- http://www.ubuntu.com/usn/USN-2213-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2014-3430 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1096402 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2014-3430
- https://www.cve.org/CVERecord?id=CVE-2014-3430
Change history (0)
No recorded changes yet.