CVE-2017-12238

A vulnerability in the Virtual Private LAN Service VPLS code of Cisco IOS 15.0 through 15.4 for Cisco Catalyst 6800 Series Switches could allow an unauthenticated, adjacent attacker to cause a C6800-16P10G or C6800-16P10G-XL type line card to crash, resulting in a denial of service DoS condition...

CVE-2016-6415

The server IKEv1 implementation in Cisco IOS 12.2 through 12.4 and 15.0 through 15.6, IOS XE through 3.18S, IOS XR 4.3.x and 5.0.x through 5.2.x, and PIX before 7.0 allows remote attackers to obtain sensitive information from device memory via a Security Association SA negotiation request, aka Bu...

Design/Logic Flaw

The TCP Input module in Cisco IOS 12.2 through 12.4 and 15.0 through 15.4, when NAT is used, allows remote attackers to cause a denial of service memory consumption or device reload via crafted TCP packets, aka Bug IDs CSCuh33843 and CSCuj41494...

CVE-2013-5481

Cisco IOS Software NAT implementation contains a vulnerability in PPTP handling that, when NAT is used, can be exploited by remote attackers sending crafted TCP port-1723 packets to cause a DoS and device reload. Affected releases include Cisco IOS 12.2 and 15.0–15.3. The issue is identified as B...

CVE-2012-4618

The CVE-2012-4618 issue affects Cisco IOS Software Network Address Translation NAT with the SIP ALG feature. The vulnerability arises when SIP payloads are translated for in-transit packets, causing a denial of service that can trigger a device reload. Affected IOS versions noted in the sources i...

CVE-2012-3923

The SSLVPN implementation in Cisco IOS 12.4, 15.0, 15.1, and 15.2, when DTLS is not enabled, does not properly handle certain outbound ACL configurations, which allows remote authenticated users to cause a denial of service device crash via a session involving a PPP over ATM PPPoA interface, aka...

CVE-2012-1327

Cisco IOS versions affected by CVE-2012-1327 are 12.3, 12.4, 15.0, and 15.1. The flaw is in dot11t/t_if_dot11_hal_ath.c and can be exploited remotely to trigger an assertion failure and device reboot via 802.11 wireless traffic, as demonstrated by a video call from iOS 5.0 on an iPhone 4S (Bug ID...

CVE-2011-3277

CVE-2011-3277 affects Cisco IOS NAT implementation (12.1–12.4, 15.0–15.1) and IOS-XE 3.1.xSG. The issue arises from NAT handling of H.323 traffic on TCP/1720, enabling remote attackers to cause a DoS (device reload). Cisco’s advisory notes multiple NAT DoS vectors (including H.323), with mitigati...

CVE-2011-3279

The provider-edge MPLS NAT implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1, and IOS XE 3.1.xSG, allows remote attackers to cause a denial of service device reload via a malformed SIP packet to UDP port 5060, aka Bug ID CSCti98219...

CVE-2011-0946

CVE-2011-0946 involves a vulnerability in Cisco IOS/NAT where NAT for NetMeeting Directory (LDAP) can be triggered by malformed LDAP traffic, causing a DoS (device reload or hang). Affected are Cisco IOS releases 12.1–12.4 and 15.0–15.1, plus IOS XE 3.1.xSG. The weakness is within the NAT transla...