CVE-2006-2414: Directory traversal vulnerability in Dovecot 1.0 beta and 1.0 allows remote attackers to list files and direct

Routine

MEDIUM 5.0DOWNGRADE

CVE-2006-2414 is a medium-severity flaw (CVSS 5.0) affecting dovecot. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal vulnerability in Dovecot 1.0 beta and 1.0 allows remote attackers to list files and directories under the mbox parent directory and obtain mailbox names via ".." sequences in the (1) LIST or (2) DELETE IMAP command.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	2.4% (top 16%)
CISA exploited list	No
Published	2006-05-16
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: timo sirainen

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2006-05-16 10:02 UTCPublished CVE record published
2026-06-16 22:24 UTCUpdated Record last modified

timo sirainen dovecot DOWNGRADE

Affected: 1.0 · 1.0_beta2 · 1.0_beta3 · 1.0_beta7

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy dovecot || rpm -q dovecot || dovecot --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison dovecot sudo apt install dovecot=<VERSION_BEFORE_1.0> sudo apt-mark hold dovecot

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list dovecot sudo dnf downgrade dovecot-<VERSION_BEFORE_1.0> sudo dnf versionlock add dovecot

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2006-2414?

dovecot: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2006-2414 being exploited?

CVE-2006-2414 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2006-2414 affect?

CVE-2006-2414 affects dovecot. Severity is medium (CVSS 5.0). Directory traversal vulnerability in Dovecot 1.0 beta and 1.0 allows remote attackers to list files and directories under the mbox parent directory and obtain mailbox names via ".." sequences in the (1) LIST or (2) DELETE IMAP command.

How urgent is CVE-2006-2414?

Priority 39/100. No elevated risk signals yet.

Software pages

Dovecot vulnerabilities

Related CVEs

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CVE-2026-27857 MEDIUM 4.3 UPGRADE UPGRADE Sending "NOOP (((...)))" command with 4000 parenthesis open+close results in ~1MB extra memory usage
CVE-2026-27858 HIGH 7.5 UPGRADE UPGRADE Attacker can send a specifically crafted message before authentication that causes managesieve to allocate lar
CVE-2026-24031 HIGH 7.7 UPGRADE UPGRADE Dovecot SQL based authentication can be bypassed when auth_username_chars is cleared by admin
CVE-2026-27856 HIGH 7.4 UPGRADE UPGRADE Doveadm credentials are verified using direct comparison which is susceptible to timing oracle attack

References

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