Buffer overflow in Cisco TelePresence TC Software 4.x and 5.x and TE Software 4.x and 6.0 allows local users to gain privileges by leveraging improper handling of the u-boot compiler flag for internal executable files, aka Bug ID CSCub67693.

Buffer overflow in Cisco Advanced Recording Format (ARF) player T27 LD before SP32 EP16, T28 before T28.12, and T29 before T29.2 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted .arf file, aka Bug IDs CSCul87216 and CSCuj07603.

Heap-based buffer overflow in Cisco WebEx Recording Format (WRF) player T27 LD before SP32 EP16, T28 before T28.12, and T29 before T29.2 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted audio channel in a .wrf file, aka Bug ID CSCuc39458.

Buffer overflow in Cisco TelePresence TC Software 4.x and 5.x and TE Software 4.x and 6.0 allows remote attackers to execute arbitrary code via crafted DNS response packets, aka Bug ID CSCty44804.

Multiple vulnerabilities in Cisco SD-WAN products could allow an unauthenticated, remote attacker to execute denial of service (DoS) attacks against an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

Multiple vulnerabilities in Cisco SD-WAN vManage Software could allow an unauthenticated, remote attacker to execute arbitrary code or allow an authenticated, local attacker to gain escalated privileges on an affected system. For more information about these vulnerabilities, see the Details section of this advisory.

A vulnerability in Cisco Webex Network Recording Player for Windows and MacOS and Cisco Webex Player for Windows and MacOS could allow an attacker to execute arbitrary code on an affected system. The vulnerability is due to insufficient validation of values within Webex recording files formatted as either Advanced Recording Format (ARF) or Webex Recording Format (WRF). An attacker could exploit the vulnerability by sending a user a malicious ARF or WRF file through a link or email attachment and persuading the user to open the file. A successful exploit could allow the attacker to execute arbitrary code on the affected system with the privileges of the targeted user.

The MLDP implementation in Cisco IOS 15.3(3)S and earlier on 7600 routers, when many VRFs are configured, allows remote attackers to cause a denial of service (chunk corruption and device reload) by establishing many multicast flows, aka Bug ID CSCue22345.

A vulnerability in the web-based management interface of Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers could allow an unauthenticated, remote attacker to execute arbitrary code on an affected device. The vulnerability is due to improper validation of user-supplied input in the web-based management interface. An attacker could exploit this vulnerability by sending crafted HTTP requests to a targeted device. A successful exploit could allow the attacker to execute arbitrary code as the root user on the underlying operating system of the affected device. Cisco has not released software updates that address this vulnerability.

A vulnerability in the DECnet Phase IV and DECnet/OSI protocol processing of Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient input validation of DECnet traffic that is received by an affected device. An attacker could exploit this vulnerability by sending DECnet traffic to an affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition.

The OSPFv3 functionality in Cisco IOS XR 5.1 allows remote attackers to cause a denial of service (process crash) via a malformed LSA Type-1 packet, aka Bug ID CSCuj82176.

The TCP implementation in Cisco IOS does not properly implement the transitions from the ESTABLISHED state to the CLOSED state, which allows remote attackers to cause a denial of service (flood of ACK packets) via a crafted series of ACK and FIN packets, aka Bug ID CSCtz14399.

Multiple vulnerabilities in Cisco SD-WAN products could allow an unauthenticated, remote attacker to execute denial of service (DoS) attacks against an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

The Java process in the Impact server in Cisco Prime Central for Hosted Collaboration Solution (HCS) allows remote attackers to cause a denial of service (process crash) via a flood of TCP packets, aka Bug ID CSCug57345.

Buffer overflow in the Active Template Library (ATL) framework in the VPNAPI COM module in Cisco AnyConnect Secure Mobility Client 2.x allows user-assisted remote attackers to execute arbitrary code via a crafted HTML document, aka Bug ID CSCuj58139.

Cisco NX-OS 5.0 and earlier on MDS 9000 devices allows remote attackers to cause a denial of service (supervisor CPU consumption) via Authentication Header (AH) authentication in a Virtual Router Redundancy Protocol (VRRP) frame, aka Bug ID CSCte27874.

Cisco Unified Communications Manager (aka CUCM or Unified CM) allows remote attackers to cause a denial of service (service restart) via a crafted SIP message, aka Bug ID CSCub54349.

A vulnerability in the Secure Sockets Layer (SSL) input packet processor of Cisco Small Business 200, 300, and 500 Series Managed Switches could allow an unauthenticated, remote attacker to cause a memory corruption on an affected device. The vulnerability is due to improper validation of HTTPS packets. An attacker could exploit this vulnerability by sending a malformed HTTPS packet to the management web interface of the affected device. A successful exploit could allow the attacker to cause an unexpected reload of the device, resulting in a denial of service (DoS) condition.

Buffer overflow in Cisco Unified Communications Manager (Unified CM) 7.1(x) before 7.1(5b)su6, 8.5(x) before 8.5(1)su6, 8.6(x) before 8.6(2a)su3, and 9.x before 9.1(2) allows remote authenticated users to execute arbitrary code via unspecified vectors, aka Bug ID CSCud54358.

The ITM web server in Cisco Prime Central for Hosted Collaboration Solution (HCS) allows remote attackers to cause a denial of service (temporary HTTP service outage) via a flood of TCP packets, aka Bug ID CSCuh36313.

Multiple vulnerabilities exist in the Link Layer Discovery Protocol (LLDP) implementation for Cisco Small Business RV Series Routers. An unauthenticated, adjacent attacker could execute arbitrary code or cause an affected router to leak system memory or reload. A memory leak or device reload would cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory. Note: LLDP is a Layer 2 protocol. To exploit these vulnerabilities, an attacker must be in the same broadcast domain as the affected device (Layer 2 adjacent).

A vulnerability in Cisco Webex Network Recording Player for Windows and MacOS and Cisco Webex Player for Windows and MacOS could allow an attacker to execute arbitrary code on an affected system. This vulnerability is due to insufficient validation of values in Webex recording files that are in either Advanced Recording Format (ARF) or Webex Recording Format (WRF). An attacker could exploit this vulnerability by sending a user a malicious ARF or WRF file through a link or email attachment and persuading the user to open the file with the affected software on the local system. A successful exploit could allow the attacker to execute arbitrary code on the affected system with the privileges of the targeted user.

Cisco Adaptive Security Appliances (ASA) devices, when SMP is used, do not properly process X.509 certificates, which allows remote attackers to cause a denial of service (device crash) via a large volume of (1) SSL or (2) TLS traffic, aka Bug ID CSCuh19462.

Multiple vulnerabilities in Cisco SD-WAN products could allow an unauthenticated, remote attacker to execute denial of service (DoS) attacks against an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

A vulnerability in the Cisco Discovery Protocol implementation for Cisco Video Surveillance 8000 Series IP Cameras could allow an unauthenticated, adjacent attacker to cause an affected IP camera to reload. This vulnerability is due to missing checks when processing Cisco Discovery Protocol messages. An attacker could exploit this vulnerability by sending a malicious Cisco Discovery Protocol packet to an affected IP camera. A successful exploit could allow the attacker to cause the affected IP camera to reload unexpectedly, resulting in a denial of service (DoS) condition. Note: Cisco Discovery Protocol is a Layer 2 protocol. To exploit this vulnerability, an attacker must be in the same broadcast domain as the affected device (Layer 2 adjacent).

Multiple vulnerabilities exist in the web-based management interface of Cisco Small Business RV Series Routers. A remote attacker could execute arbitrary commands or bypass authentication and upload files on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

Multiple vulnerabilities in Cisco SD-WAN products could allow an unauthenticated, remote attacker to execute denial of service (DoS) attacks against an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

Cisco Aironet 3600 access points allow remote attackers to cause a denial of service (memory corruption and device crash) by disrupting Cisco Wireless LAN Controller communication and consequently forcing many transitions from FlexConnect mode to Standalone mode, aka Bug ID CSCuh71210.

Multiple vulnerabilities in Cisco Webex Network Recording Player for Microsoft Windows and Cisco Webex Player for Microsoft Windows could allow an attacker to execute arbitrary code on an affected system. The vulnerabilities exist due to insufficient validation of certain elements with a Webex recording stored in either the Advanced Recording Format (ARF) or the Webex Recording Format (WRF). An attacker could exploit these vulnerabilities by sending a user a malicious ARF or WRF file through a link or email attachment and persuading the user to open the file with the affected software on the local system. A successful exploit could allow the attacker to execute arbitrary code on the affected system with the privileges of the targeted user.

The Web Administrator Interface on Cisco Wireless LAN Controller (WLC) devices allows remote authenticated users to cause a denial of service (device crash) by leveraging membership in the Full Manager managers group, Read Only managers group, or Lobby Ambassador managers group, and sending a request that (1) lacks a parameter value or (2) contains a malformed parameter value, aka Bug IDs CSCuh14313, CSCuh14159, CSCuh14368, and CSCuh14436.

Multiple vulnerabilities in Cisco SD-WAN products could allow an unauthenticated, remote attacker to execute attacks against an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

Cisco IOS XR allows local users to cause a denial of service (Silicon Packet Processor memory corruption, improper mutex handling, and device reload) by starting an outbound flood of large ICMP Echo Request packets and stopping this with a CTRL-C sequence, aka Bug ID CSCui60347.

Multiple vulnerabilities exist in the Link Layer Discovery Protocol (LLDP) implementation for Cisco Small Business RV Series Routers. An unauthenticated, adjacent attacker could execute arbitrary code or cause an affected router to leak system memory or reload. A memory leak or device reload would cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory. Note: LLDP is a Layer 2 protocol. To exploit these vulnerabilities, an attacker must be in the same broadcast domain as the affected device (Layer 2 adjacent).

A vulnerability in the ipsecmgr process of Cisco ASR 5000 Series Software (StarOS) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. This vulnerability is due to insufficient validation of incoming Internet Key Exchange Version 2 (IKEv2) packets. An attacker could exploit this vulnerability by sending specifically malformed IKEv2 packets to an affected device. A successful exploit could allow the attacker to cause the ipsecmgr process to restart, which would disrupt ongoing IKE negotiations and result in a temporary DoS condition.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

Buffer overflow in an unspecified Android API on the Cisco Desktop Collaboration Experience DX650 allows attackers to execute arbitrary code via vectors that leverage incorrect memory allocation, aka Bug IDs CSCuf93957, CSCug22352, and CSCug22462.

Cisco Intrusion Prevention System (IPS) Software on IPS NME devices before 7.0(9)E4 allows remote attackers to cause a denial of service (device reload) via malformed IPv4 packets that trigger incorrect memory allocation, aka Bug ID CSCua61977.

Buffer overflow in srtp.c in libsrtp in srtp 1.4.5 and earlier allows remote attackers to cause a denial of service (crash) via vectors related to a length inconsistency in the crypto_policy_set_from_profile_for_rtp and srtp_protect functions.

The Ethernet frame-forwarding implementation in Cisco NX-OS on Nexus 7000 devices allows remote attackers to cause a denial of service (forwarding loop and service outage) via a crafted frame, aka Bug ID CSCug47098.

Multiple buffer overflows in the (1) SNMP and (2) License Manager implementations in Cisco NX-OS on Nexus 7000 devices 4.x and 5.x before 5.2(5) and 6.x before 6.1(1) and MDS 9000 devices 4.x and 5.x before 5.2(5) allow remote authenticated users to execute arbitrary code via a crafted SNMP request, aka Bug ID CSCtx54830.

Stack-based buffer overflow in Cisco WebEx Recording Format (WRF) player T27 LD before SP32 EP16, T27 L10N before SP32_ORION111, and T28 before T28.8 allows remote attackers to execute arbitrary code via a crafted WRF file, aka Bug ID CSCuc27645.

The SNMP module in Cisco IOS XR allows remote authenticated users to cause a denial of service (process restart) via crafted SNMP packets, aka Bug ID CSCue69472.

Array index error in the Virtual Ethernet Module (VEM) kernel driver for VMware ESXi in Cisco NX-OS on the Nexus 1000V, when STUN debugging is enabled, allows remote attackers to cause a denial of service (ESXi crash and purple screen of death) by sending crafted STUN packets to a VEM, aka Bug ID CSCud14825.

Buffer overflow in the Cisco WebEx Recording Format (WRF) player T27 before LD SP32 EP10 and T28 before T28.4 allows remote attackers to execute arbitrary code via a crafted WRF file, aka Bug ID CSCtz73583.

The Smart Install client functionality in Cisco IOS 12.2 and 15.0 through 15.3 on Catalyst switches allows remote attackers to cause a denial of service (device reload) via crafted image list parameters in Smart Install packets, aka Bug ID CSCub55790.

Buffer overflow in the Intelligent Platform Management Interface (IPMI) functionality in the Manager component in Cisco Unified Computing System (UCS) 1.0 and 1.1 before 1.1(1j) and 1.2 before 1.2(1b) allows remote attackers to execute arbitrary code via malformed data in a UDP packet, aka Bug ID CSCtd32371.