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CVSS: 7.8EPSS: 11%CPEs: 5EXPL: 1

Extended Interior Gateway Routing Protocol (EIGRP), as implemented in Cisco IOS 11.3 through 12.2 and other products, allows remote attackers to cause a denial of service (flood) by sending a large number of spoofed EIGRP neighbor announcements, which results in an ARP storm on the local network. • http://lists.grok.org.uk/pipermail/full-disclosure/2005-December/040330.html http://marc.info/?l=full-disclosure&m=113504451523186&w=2 http://secunia.com/advisories/7766 http://securitytracker.com/id?1005840 http://www.cisco.com/en/US/tech/tk365/technologies_security_notice09186a008011c5e1.html http://www.cisco.com/warp/public/707/eigrp_issue.pdf http://www.osvdb.org/18055 http://www.securityfocus.com/archive/1/304034 http://www.securityfocus.com/archive/1/304044 http://w •

CVSS: 7.8EPSS: 0%CPEs: 3EXPL: 0

The Cisco Optical Service Module (OSM) for the Catalyst 6500 and 7600 series running Cisco IOS 12.1(8)E through 12.1(13.4)E allows remote attackers to cause a denial of service (hang) via a malformed packet. • http://www.cisco.com/warp/public/707/osm-lc-ios-pkt-vuln-pub.shtml http://www.securityfocus.com/bid/6358 https://exchange.xforce.ibmcloud.com/vulnerabilities/10823 • CWE-20: Improper Input Validation •

CVSS: 7.8EPSS: 1%CPEs: 4EXPL: 2

Cisco IOS 11.2.x and 12.0.x does not limit the size of its redirect table, which allows remote attackers to cause a denial of service (memory consumption) via spoofed ICMP redirect packets to the router. • https://www.exploit-db.com/exploits/21465 http://online.securityfocus.com/archive/1/273421 http://online.securityfocus.com/archive/1/273488 http://www.iss.net/security_center/static/9129.php http://www.securityfocus.com/bid/4786 •

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

Cisco 2611 router running IOS 12.1(6.5), possibly an interim release, allows remote attackers to cause a denial of service via port scans such as (1) scanning all ports on a single host and (2) scanning a network of hosts for a single open port through the router. NOTE: the vendor could not reproduce this issue, saying that the original reporter was using an interim release of the software. • http://archives.neohapsis.com/archives/bugtraq/2002-06/0027.html http://archives.neohapsis.com/archives/bugtraq/2002-06/0050.html http://www.iss.net/security_center/static/9281.php http://www.securityfocus.com/bid/4947 •

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

The design of the Hot Standby Routing Protocol (HSRP), as implemented on Cisco IOS 12.1, when using IRPAS, allows remote attackers to cause a denial of service (CPU consumption) via a router with the same IP address as the interface on which HSRP is running, which causes a loop. • http://archives.neohapsis.com/archives/bugtraq/2002-06/0027.html http://archives.neohapsis.com/archives/bugtraq/2002-06/0050.html http://www.iss.net/security_center/static/9283.php http://www.securityfocus.com/bid/4949 •