The telnet daemon (telnetd) in MIT krb5 before 1.6.1 allows remote attackers to bypass authentication and gain system access via a…

Description

The telnet daemon (telnetd) in MIT krb5 before 1.6.1 allows remote attackers to bypass authentication and gain system access via a username beginning with a '-' character, a similar issue to CVE-2007-0882.

Scores

EPSS (exploitation in 30 days)

30.2% · top 1.8% of all CVEs (5 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 10.0.

Weakness

• n/a
• CWE-306 (opens in a new tab)All about CWE-306 and its CVEs

Affected products

• n/a

  • affected n/a

References (29)

• ADV-2007-1218 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• oval:org.mitre.oval:def:10046 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• 20070403 MITKRB5-SA-2007-001: telnetd allows login as arbitrary user [CVE-2007-0956] (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• 24706 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 24740 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• RHSA-2007:0095 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• VU#220816 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
• 24786 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• TA07-093B (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
• 20070405 FLEA-2007-0008-1: krb5 (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• DSA-1276 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• 24735 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• kerberos-telnet-security-bypass(33414) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
• http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2007-001-telnetd.txt (opens in a new tab)x_refsource_CONFIRMx_transferred
• 1017848 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• 23281 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• 24750 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 24817 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 24757 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 24755 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• ADV-2007-1249 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• 102867 (opens in a new tab)vendor-advisoryx_refsource_SUNALERTx_transferred
• SUSE-SA:2007:025 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• 24785 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• MDKSA-2007:077 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
• USN-449-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• 24736 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 20070404 rPSA-2007-0063-1 krb5 krb5-server krb5-services krb5-test krb5-workstation (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• GLSA-200704-02 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_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-2007-0956](https://trackcve.app/badge/CVE-2007-0956.svg)](https://trackcve.app/cve/CVE-2007-0956)

Record last updated 7 Aug 2024, 12:34 UTC.