fetchmail before 6.3.6-rc4 does not properly enforce TLS and may transmit cleartext passwords over unsecured links if certain…

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.

Scores

EPSS (exploitation in 30 days)

4.5% · top 8.5% of all CVEs (5 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.

Weakness

• n/a
• CWE-20 (opens in a new tab)All about CWE-20 and its CVEs

Affected products

• n/a

  • affected n/a

References (36)

• SSA:2007-024-01 (opens in a new tab)vendor-advisoryx_refsource_SLACKWAREx_transferred
• USN-405-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• 24966 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 31580 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
• 23781 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 24174 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• DSA-1259 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• 23838 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 24151 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://docs.info.apple.com/article.html?artnum=305391 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 23714 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 21903 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• 24284 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 23631 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 24007 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 23804 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 20070105 fetchmail security announcement 2006-02 (CVE-2006-5867) (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• ADV-2007-0088 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• SUSE-SR:2007:004 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• TA07-109A (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
• 23695 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://fetchmail.berlios.de/fetchmail-SA-2006-02.txt (opens in a new tab)x_refsource_CONFIRMx_transferred
• MDKSA-2007:016 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
• FEDORA-2007-041 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• 23923 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• OpenPKG-SA-2007.004 (opens in a new tab)vendor-advisoryx_refsource_OPENPKGx_transferred
• 2007-0007 (opens in a new tab)vendor-advisoryx_refsource_TRUSTIXx_transferred
• 20070218 Re: [SECURITY] [DSA 1259-1] New fetchmail packages fix information disclosure (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• GLSA-200701-13 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
• 1017478 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• https://issues.rpath.com/browse/RPL-919 (opens in a new tab)x_refsource_CONFIRMx_transferred
• APPLE-SA-2007-04-19 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
• ADV-2007-1470 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• ADV-2007-0087 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• RHSA-2007:0018 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• oval:org.mitre.oval:def:10566 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2006-5867](https://trackcve.app/badge/CVE-2006-5867.svg)](https://trackcve.app/cve/CVE-2006-5867)

Record last updated 7 Aug 2024, 20:04 UTC.