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CVE-2010-3780

15
FAUCET Score

CVE-2010-3780 describes a denial-of-service vulnerability in Dovecot 1.2.x before 1.2.15, allowing remote authenticated users to crash the master process by simultaneously disconnecting numerous IMAP or POP3 sessions. This vulnerability has a CVSS score of 4.0, indicating a low severity, as it requires authentication and only results in partial availability impact. There is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.2.0CPE matchmatch criteria
cpe:2.3:a:dovecot:dovecot:1.2.0:*:*:*:*:*:*:*
1.2.1CPE matchmatch criteria
cpe:2.3:a:dovecot:dovecot:1.2.1:*:*:*:*:*:*:*
1.2.2CPE matchmatch criteria
cpe:2.3:a:dovecot:dovecot:1.2.2:*:*:*:*:*:*:*
1.2.3CPE matchmatch criteria
cpe:2.3:a:dovecot:dovecot:1.2.3:*:*:*:*:*:*:*
1.2.4CPE matchmatch criteria
cpe:2.3:a:dovecot:dovecot:1.2.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Exploitability Score
8.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.35%
Probability of exploitation in next 30 days
EPSS Percentile
81.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0235 is in the 93rd percentile among its peer group of 21,977 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 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 (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: dovecot-1:2.0.9-2.el6
View patch

Vendor Advisories (1)

redhatCVE-2010-3780Moderate

Dovecot: Busy master process, receiving a lot of SIGCHLD signals rapidly while logging, could die

Oct 6, 2010

References

secunia.com / advisories/43220
dovecot.org / list/dovecot/2010-October/053450.html
Vendor Advisory
mandriva.com / security/advisories
redhat.com / support/errata/RHSA-2011-0600.html
ubuntu.com / usn/USN-1059-1
vupen.com / english/advisories/2010/2840
vupen.com / english/advisories/2011/0301