Is CVE-2007-2231 in the CISA KEV catalog?

No. CVE-2007-2231 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2007-2231?

CVE-2007-2231 has a CVSS v2 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2007-2231?

CVE-2007-2231 has an EPSS score of 2.12% (80th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2007-2231?

Upgrade dovecot on debian 11 to 1.0.rc29-1 or later.

CVE & CISA-KEV Catalog

CVE-2007-2231

MEDIUMEPSS 80th pctl

4.3

CVSS v2

NVD

Description

Directory traversal vulnerability in index/mbox/mbox-storage.c in Dovecot before 1.0.rc29, when using the zlib plugin, allows remote attackers to read arbitrary gzipped (.gz) mailboxes (mbox files) via a .. (dot dot) sequence in the mailbox name.

How to fix

Remediation Available

dovecotDebian

Fixed in:1.0.rc29-1CVE-2007-2231

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

2.12%probability of exploitation in 30 days

80thpercentile

Elevated risk: more likely to be exploited than 80% of all known CVEs.

References

Other references14

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-23.