HIGH
CVE-2006-5867
CWE-20Published: December 31, 2006· Updated: Jun 16, 2026
7.8
CVSS v3.1
Official Description
fetchmail before 6.3.6-rc4 does not properly enforce TLS and may transmit cleartext passwords over unsecured links if certain circumstances occur, which allows remote attackers to obtain sensitive information via man-in-the-middle (MITM) attacks.
Technical Analysis
CVE-2006-5867 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityC
IntegrityNone
AvailabilityNone
AV:N/AC:L/Au:N/C:C/I:N/A:N
Affected Vendors & Products
fetchmail1 product(s)
fetchmail
Source: NVD CPE · 100 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
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PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (74)
→
http://secunia.com/advisories/23631Vendor Advisory
→
http://secunia.com/advisories/23695Vendor Advisory
→
http://secunia.com/advisories/23714Vendor Advisory
→
http://secunia.com/advisories/23781Vendor Advisory
→
http://secunia.com/advisories/23804Vendor Advisory
→
http://secunia.com/advisories/23838Vendor Advisory
→
http://secunia.com/advisories/23923Vendor Advisory
→
http://secunia.com/advisories/24007Vendor Advisory
→
http://secunia.com/advisories/24151Vendor Advisory
Quick Facts
CVE IDCVE-2006-5867
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-20
CISA KEVNo
Affected1 vendor(s)
PublishedDec 31, 2006
Related CVEs (CWE-20)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2006-5867 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.