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CVE-2014-3430

16
FAUCET Score

CVE-2014-3430 describes a denial-of-service vulnerability affecting Dovecot versions 1.1 through 2.2.12 and dovecot-ee versions 2.1.7.7 and 2.2.x through 2.2.12.12. This flaw allows remote attackers to exhaust server resources by initiating incomplete SSL/TLS handshakes for IMAP/POP3 connections, as the software fails to properly close old connections. Rated with a CVSS score of 5.0, it is a network-based attack with low complexity, requiring no authentication, and impacting availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
1.1CPE matchmatch criteria
cpe:2.3:a:dovecot:dovecot:1.1:*:*:*:*:*:*:*
1.1CPE matchmatch criteria
cpe:2.3:a:dovecot:dovecot:1.1:rc2:*:*:*:*:*:*
1.1.0CPE matchmatch criteria
cpe:2.3:a:dovecot:dovecot:1.1.0:*:*:*:*:*:*:*
1.1.1CPE matchmatch criteria
cpe:2.3:a:dovecot:dovecot:1.1.1:*:*:*:*:*:*:*
1.1.2CPE matchmatch criteria
cpe:2.3:a:dovecot:dovecot:1.1.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.33%
Probability of exploitation in next 30 days
EPSS Percentile
87.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0333 is in the 83rd percentile among its peer group of 23,705 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: dovecot-1:2.0.9-7.el6_5.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: dovecot-1:2.2.10-4.el7_0.1
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: dovecot

Vendor Advisories (1)

redhatCVE-2014-3430Moderate

dovecot: denial of service through maxxing out SSL connections

May 9, 2014

References

advisories.mageia.org / MGASA-2014-0223.html
dovecot.org / pipermail/dovecot-news/2014-May/000273.html
PatchVendor Advisory
linux.oracle.com / errata/ELSA-2014-0790.html
permalink.gmane.org / gmane.mail.imap.dovecot/77499
Patch
rhn.redhat.com / errata/RHSA-2014-0790.html
secunia.com / advisories/59051
secunia.com / advisories/59537
secunia.com / advisories/59552
debian.org / security/2014/dsa-2954
mandriva.com / security/advisories
openwall.com / lists/oss-security/2014/05/09/4
Patch
openwall.com / lists/oss-security/2014/05/09/8
securityfocus.com / bid/67306
ubuntu.com / usn/USN-2213-1