{"cve":"CVE-2007-0956","nvd":{"published":"2007-04-06T01:19:00.000","modified":"2026-06-16T22:36:38.003","status":"Modified","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.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-306"],"references":["ftp://patches.sgi.com/support/free/security/advisories/20070401-01-P.asc","http://lists.suse.com/archive/suse-security-announce/2007-Apr/0001.html","http://secunia.com/advisories/24706","http://secunia.com/advisories/24735","http://secunia.com/advisories/24736"],"products":["canonical:ubuntu_linux","debian:debian_linux","mit:kerberos_5"],"source":"nvd","synced_at":"2026-10-19T19:46:28.846926071+00:00"},"epss":{"cve":"CVE-2007-0956","score":0.29842,"percentile":0.98201,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}