CVE-2007-0956

CriticalCVSS 10.0/10Last modified Jun 16, 2026

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.

Metrics

CVSS 2.0 10.0/10AV:N/AC:L/Au:N/C:C/I:C/A:C

Weakness enumeration

CWE-306

Affected software

VendorProductVersions
n/an/an/a

References

Timeline

Published
Apr 6, 2007
Last modified
Jun 16, 2026
NVD status
Modified

Related CVEs from 2007

CVE-2007-09579.0Stack-based buffer overflow in the krb5_klog_syslog function in the kadm5 library, as used by the Kerberos administration daemon (kadmind) aCVE-2007-09582.1Linux kernel 2.6.x before 2.6.20 allows local users to read unreadable binaries by using the interpreter (PT_INTERP) functionality and triggCVE-2007-09597.8Cisco PIX 500 and ASA 5500 Series Security Appliances 7.2.2, when configured to inspect certain TCP-based protocols, allows remote attackersCVE-2007-09609.0Unspecified vulnerability in Cisco PIX 500 and ASA 5500 Series Security Appliances 7.2.2, when configured to use the LOCAL authentication meCVE-2007-09617.8Cisco PIX 500 and ASA 5500 Series Security Appliances 6.x before 6.3(5.115), 7.0 before 7.0(5.2), and 7.1 before 7.1(2.5), and the FWSM 3.x CVE-2007-09627.8Cisco PIX 500 and ASA 5500 Series Security Appliances 7.0 before 7.0(4.14) and 7.1 before 7.1(2.1), and the FWSM 2.x before 2.3(4.12) and 3.CVE-2007-09637.8Unspecified vulnerability in Cisco Firewall Services Module (FWSM) 3.x before 3.1(3.3), when set to log at the "debug" level, allows remote CVE-2007-09645.4Cisco FWSM 3.x before 3.1(3.18), when authentication is configured to use "aaa authentication match" or "aaa authentication include", allowsCVE-2007-09657.8Cisco FWSM 3.x before 3.1(3.2), when authentication is configured to use "aaa authentication match" or "aaa authentication include", allows CVE-2007-09667.8Cisco Firewall Services Module (FWSM) 3.x before 3.1(3.11), when the HTTPS server is enabled, allows remote attackers to cause a denial of sCVE-2007-09677.8Cisco Firewall Services Module (FWSM) 3.x before 3.1(3.1) allows remote attackers to cause a denial of service (device reboot) via malformedCVE-2007-09689.0Unspecified vulnerability in Cisco Firewall Services Module (FWSM) before 2.3(4.7) and 3.x before 3.1(3.1) causes the access control entries
CVE-2007-0956: Critical severity, CVSS 10.0 | Vulnix