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CVSS: 7.1EPSS: 1%CPEs: 93EXPL: 0

Memory leak in Secure Shell (SSH) in Cisco IOS 12.0 through 12.3, when authenticating against a TACACS+ server, allows remote attackers to cause a denial of service (memory consumption) via an incorrect username or password. • http://secunia.com/advisories/14854 http://www.cisco.com/warp/public/707/cisco-sa-20050406-ssh.shtml http://www.osvdb.org/15303 http://www.securityfocus.com/bid/13042 http://www.securitytracker.com/alerts/2005/Apr/1013655.html https://exchange.xforce.ibmcloud.com/vulnerabilities/19991 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5687 • CWE-399: Resource Management Errors •

CVSS: 5.0EPSS: 1%CPEs: 196EXPL: 0

Cisco IOS 12.0 through 12.3YL, with BGP enabled and running the bgp log-neighbor-changes command, allows remote attackers to cause a denial of service (device reload) via a malformed BGP packet. • http://secunia.com/advisories/14034 http://securitytracker.com/id?1013013 http://www.cisco.com/warp/public/707/cisco-sa-20050126-bgp.shtml http://www.kb.cert.org/vuls/id/689326 http://www.us-cert.gov/cas/techalerts/TA05-026A.html https://exchange.xforce.ibmcloud.com/vulnerabilities/19074 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5652 •

CVSS: 5.0EPSS: 1%CPEs: 76EXPL: 0

Cisco IOS 12.0S through 12.3YH allows remote attackers to cause a denial of service (device restart) via a crafted IPv6 packet. • http://www.cisco.com/warp/public/707/cisco-sa-20050126-ipv6.shtml http://www.kb.cert.org/vuls/id/472582 http://www.us-cert.gov/cas/techalerts/TA05-026A.html https://exchange.xforce.ibmcloud.com/vulnerabilities/19072 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5813 •

CVSS: 5.9EPSS: 1%CPEs: 1EXPL: 0

Cisco IOS 12.2(15) and earlier allows remote attackers to cause a denial of service (refused VTY (virtual terminal) connections), via a crafted TCP connection to the Telnet or reverse Telnet port. Cisco IOS contains an unspecified vulnerability that may block further telnet, reverse telnet, Remote Shell (RSH), Secure Shell (SSH), and in some cases, Hypertext Transport Protocol (HTTP) access to the Cisco device. • http://secunia.com/advisories/12395 http://securitytracker.com/id?1011079 http://www.cisco.com/warp/public/707/cisco-sa-20040827-telnet.shtml http://www.kb.cert.org/vuls/id/384230 http://www.securityfocus.com/bid/11060 https://exchange.xforce.ibmcloud.com/vulnerabilities/17131 •

CVSS: 5.0EPSS: 2%CPEs: 77EXPL: 0

Cisco IOS 12.0S, 12.2, and 12.3, with Open Shortest Path First (OSPF) enabled, allows remote attackers to cause a denial of service (device reload) via a malformed OSPF packet. • http://secunia.com/advisories/12322 http://www.ciac.org/ciac/bulletins/o-199.shtml http://www.cisco.com/warp/public/707/cisco-sa-20040818-ospf.shtml http://www.kb.cert.org/vuls/id/989406 http://www.securityfocus.com/bid/10971 https://exchange.xforce.ibmcloud.com/vulnerabilities/17033 •