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CVE-2007-2231

14
FAUCET Score

CVE-2007-2231 describes a directory traversal vulnerability in Dovecot versions prior to 1.0.rc29, specifically within the zlib plugin's handling of gzipped mailboxes. An unauthenticated remote attacker could exploit this by including ".." sequences in a mailbox name, allowing them to read arbitrary gzipped .gz mbox files. The vulnerability has a CVSS score of 4.3 (medium severity), indicating a network-based attack with medium complexity and a partial confidentiality impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.0.beta1CPE matchmatch criteria
cpe:2.3:a:dovecot:dovecot:1.0.beta1:*:*:*:*:*:*:*
1.0.beta2CPE matchmatch criteria
cpe:2.3:a:dovecot:dovecot:1.0.beta2:*:*:*:*:*:*:*
1.0.beta3CPE matchmatch criteria
cpe:2.3:a:dovecot:dovecot:1.0.beta3:*:*:*:*:*:*:*
1.0.beta4CPE matchmatch criteria
cpe:2.3:a:dovecot:dovecot:1.0.beta4:*:*:*:*:*:*:*
1.0.beta5CPE matchmatch criteria
cpe:2.3:a:dovecot:dovecot:1.0.beta5:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.12%
Probability of exploitation in next 30 days
EPSS Percentile
80.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0212 is in the 67th percentile among its peer group of 19,956 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, 0.0 Bluesky, 0.0 Mastodon, and 0.2 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 5Fixed in: dovecot-0:1.0.7-2.el5
View patch

Vendor Advisories (1)

redhatCVE-2007-2231Low

Directory traversal in dovecot with zlib plugin

Mar 28, 2007

References

dovecot.org / doc/NEWS
dovecot.org / list/dovecot-cvs/2007-March/008488.html
dovecot.org / list/dovecot-news/2007-March/000038.html
secunia.com / advisories/25072
secunia.com / advisories/30342
exchange.xforce.ibmcloud.com / vulnerabilities/34082
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10995
debian.org / security/2007/dsa-1359
novell.com / linux/security/advisories/2007_8_sr.html
redhat.com / support/errata/RHSA-2008-0297.html
securityfocus.com / archive/1/466168/100/0/threaded
securityfocus.com / bid/23552
ubuntu.com / usn/usn-487-1
vupen.com / english/advisories/2007/1452