Auth bypass in Cisco iOS
CVE-2005-1020
Secure Shell (SSH) 2 in Cisco IOS 12.0 through 12.3 allows remote attackers to cause a denial of service (device reload) (1) via a username that contains a domain name when using a TACACS+ server to authenticate, (2) when a new SSH session is in the login phase and a currently logged in user issues a send command, or (3) when IOS is logging messages and an SSH session is terminated while the server is sending data.
Vulnerability class: Broken Authentication
EPSS: 0.017 (75.2th percentile) — read the EPSS interpretation.
Affected products
- Cisco Ios — versions 12.0, 12.0\(23\)s4, 12.0\(23\)s5
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (vdb-entry, x_refsource_SECTRACK, Vendor Advisory)
- cve@mitre.org (vdb-entry, x_refsource_BID)
- cve@mitre.org (vdb-entry, x_refsource_XF)
- cve@mitre.org (vdb-entry, x_refsource_XF)
- cve@mitre.org (Patch, x_refsource_SECUNIA, Vendor Advisory, third-party-advisory)
- cve@mitre.org (vdb-entry, x_refsource_XF)
- cve@mitre.org (x_refsource_CISCO, vendor-advisory, Vendor Advisory)
- cve@mitre.org (x_refsource_OVAL, signature, vdb-entry)