Buffer overflow on Cisco Adaptive Security Appliances (ASA) 5500 series devices with software 1.6.x; Cisco TelePresence Multipoint Switch (CTMS) devices with software 1.0.x, 1.1.x, 1.5.x, and 1.6.x; Cisco TelePresence endpoint devices with software 1.2.x through 1.6.x; and Cisco TelePresence Manager 1.2.x, 1.3.x, 1.4.x, 1.5.x, and 1.6.2 allows remote attackers to execute arbitrary code via a crafted Cisco Discovery Protocol packet, aka Bug IDs CSCtd75769, CSCtd75766, CSCtd75754, and CSCtd75761.
Max CVSS
7.9
EPSS Score
12.55%
Published
2011-02-25
Updated
2011-04-09
Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services module in Cisco Catalyst 6500 series devices, with software 7.0 before 7.0(8.13), 7.1 and 7.2 before 7.2(5.3), 8.0 before 8.0(5.24), 8.1 before 8.1(2.50), 8.2 before 8.2(5), 8.3 before 8.3(2.18), 8.4 before 8.4(1.10), and 8.5 before 8.5(1.1) and Cisco Firewall Services Module (aka FWSM) 3.1 before 3.1(21), 3.2 before 3.2(22), 4.0 before 4.0(16), and 4.1 before 4.1(7) allow remote attackers to bypass authentication via a crafted TACACS+ reply, aka Bug IDs CSCto40365 and CSCto74274.
Max CVSS
7.9
EPSS Score
0.66%
Published
2011-10-06
Updated
2023-08-15
The DHCP implementation in the PowerOn Auto Provisioning (POAP) feature in Cisco NX-OS does not properly restrict the initialization process, which allows remote attackers to execute arbitrary commands as root by sending crafted response packets on the local network, aka Bug ID CSCur14589.
Max CVSS
7.9
EPSS Score
0.20%
Published
2015-03-28
Updated
2015-10-22
A vulnerability in the Plug-and-Play (PnP) subsystem of the Cisco Aironet 1800, 2800, and 3800 Series Access Points running a Lightweight Access Point (AP) or Mobility Express image could allow an unauthenticated, adjacent attacker to execute arbitrary code with root privileges. The vulnerability is due to insufficient validation of PnP server responses. The PnP feature is only active while the device does not contain a configuration, such as a first time boot or after a factory reset has been issued. An attacker with the ability to respond to PnP configuration requests from the affected device can exploit the vulnerability by returning malicious PnP responses. If a Cisco Application Policy Infrastructure Controller - Enterprise Module (APIC-EM) is available on the network, the attacker would need to exploit the issue in the short window before a valid PnP response was received. If successful, the attacker could gain the ability to execute arbitrary code with root privileges on the underlying operating system of the device. Cisco has confirmed that the only vulnerable software version is 8.3.102.0. Cisco Bug IDs: CSCvb42386.
Max CVSS
7.9
EPSS Score
0.20%
Published
2017-05-16
Updated
2017-07-11
A vulnerability in the self-healing functionality of Cisco IOS XE Software for Embedded Wireless Controllers on Catalyst Access Points could allow an authenticated, local attacker to escape the restricted controller shell and execute arbitrary commands on the underlying operating system of the access point. This vulnerability is due to improper checks throughout the restart of certain system processes. An attacker could exploit this vulnerability by logging on to an affected device and executing certain CLI commands. A successful exploit could allow the attacker to execute arbitrary commands on the underlying OS as root. To successfully exploit this vulnerability, an attacker would need valid credentials for a privilege level 15 user of the wireless controller.
Max CVSS
7.9
EPSS Score
0.04%
Published
2022-09-30
Updated
2022-10-27
Memory leak in Cisco Catalyst 4000, 5000, and 6000 series switches allows remote attackers to cause a denial of service via a series of failed telnet authentication attempts.
Max CVSS
7.8
EPSS Score
0.76%
Published
2001-02-16
Updated
2017-10-10
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.
Max CVSS
7.8
EPSS Score
11.83%
Published
2002-12-31
Updated
2018-10-19
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.
Max CVSS
7.8
EPSS Score
0.67%
Published
2002-12-31
Updated
2017-07-29
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.
Max CVSS
7.8
EPSS Score
7.82%
Published
2002-12-31
Updated
2008-09-05
Cisco AS5350 IOS 12.2(11)T with access control lists (ACLs) applied and possibly with ssh running allows remote attackers to cause a denial of service (crash) via a port scan, possibly due to an ssh bug. NOTE: this issue could not be reproduced by the vendor
Max CVSS
7.8
EPSS Score
1.06%
Published
2002-12-31
Updated
2024-03-21
Cisco IOS 11.x and 12.0 through 12.2 allows remote attackers to cause a denial of service (traffic block) by sending a particular sequence of IPv4 packets to an interface on the device, causing the input queue on that interface to be marked as full.
Max CVSS
7.8
EPSS Score
79.90%
Published
2003-08-18
Updated
2018-10-30
Cisco PIX firewall 5.x.x, and 6.3.1 and earlier, allows remote attackers to cause a denial of service (crash and reload) via an SNMPv3 message when snmp-server is set.
Max CVSS
7.8
EPSS Score
0.13%
Published
2004-01-05
Updated
2018-10-30
Unspecified Cisco Catalyst Switches allow remote attackers to cause a denial of service (device crash) via an IP packet with the same source and destination IPs and ports, and with the SYN flag set (aka LanD). NOTE: the provenance of this issue is unknown; the details are obtained solely from the BID.
Max CVSS
7.8
EPSS Score
0.24%
Published
2005-12-15
Updated
2017-07-20
Cisco CallManager 3.2 and earlier, 3.3 before 3.3(5)SR1, 4.0 before 4.0(2a)SR2c, and 4.1 before 4.1(3)SR2 allow remote attackers to (1) cause a denial of service (CPU and memory consumption) via a large number of open TCP connections to port 2000 and (2) cause a denial of service (fill the Windows Service Manager communication queue) via a large number of TCP connections to port 2001, 2002, or 7727.
Max CVSS
7.8
EPSS Score
6.25%
Published
2006-01-22
Updated
2017-07-20
Cisco VPN 3000 series concentrators running software 4.7.0 through 4.7.2.A allow remote attackers to cause a denial of service (device reload or user disconnect) via a crafted HTTP packet.
Max CVSS
7.8
EPSS Score
1.81%
Published
2006-01-31
Updated
2018-10-30
Control cards for Cisco Optical Networking System (ONS) 15000 series nodes before 20060405 allow remote attackers to cause a denial of service (memory exhaustion and possibly card reset) by sending an invalid response when the final ACK is expected, aka bug ID CSCei45910.
Max CVSS
7.8
EPSS Score
2.87%
Published
2006-04-07
Updated
2018-10-30
Multiple unspecified vulnerabilities in the CSRadius service in Cisco Secure Access Control Server (ACS) for Windows before 4.1 and ACS Solution Engine before 4.1 allow remote attackers to cause a denial of service (crash) via a crafted RADIUS Access-Request packet. NOTE: it has been reported that at least one issue is a heap-based buffer overflow involving the Tunnel-Password attribute.
Max CVSS
7.8
EPSS Score
2.23%
Published
2006-12-31
Updated
2018-10-30
The VLAN Trunking Protocol (VTP) feature in Cisco IOS 12.1(19) allows remote attackers to cause a denial of service by sending a VTP version 1 summary frame with a VTP version field value of 2.
Max CVSS
7.8
EPSS Score
4.41%
Published
2006-09-14
Updated
2018-10-17
The VLAN Trunking Protocol (VTP) feature in Cisco IOS 12.1(19) and CatOS allows remote attackers to cause a denial of service by sending a VTP update with a revision value of 0x7FFFFFFF, which is incremented to 0x80000000 and is interpreted as a negative number in a signed context.
Max CVSS
7.8
EPSS Score
8.07%
Published
2006-09-14
Updated
2018-10-17
Cisco Security Agent (CSA) for Linux 4.5 before 4.5.1.657 and 5.0 before 5.0.0.193, as used by Unified CallManager (CUCM) and Unified Presence Server (CUPS), allows remote attackers to cause a denial of service (resource consumption) via a port scan with certain options.
Max CVSS
7.8
EPSS Score
2.40%
Published
2006-10-26
Updated
2017-07-20
Cisco Clean Access (CCA) 3.5.x through 3.5.9 and 3.6.x through 3.6.1.1 on the Clean Access Manager (CAM) allows remote attackers to bypass authentication and download arbitrary manual database backups by guessing the snapshot filename using brute force, then making a direct request for the file.
Max CVSS
7.8
EPSS Score
1.60%
Published
2007-01-04
Updated
2018-10-30
Memory leak in the TCP listener in Cisco IOS 9.x, 10.x, 11.x, and 12.x allows remote attackers to cause a denial of service by sending crafted TCP traffic to an IPv4 address on the IOS device.
Max CVSS
7.8
EPSS Score
5.07%
Published
2007-01-25
Updated
2017-10-11
Cisco IOS allows remote attackers to cause a denial of service (crash) via a crafted IPv6 Type 0 Routing header.
Max CVSS
7.8
EPSS Score
5.07%
Published
2007-01-25
Updated
2017-10-11
Cisco IOS after 12.3(14)T, 12.3(8)YC1, 12.3(8)YG, and 12.4, with voice support and without Session Initiated Protocol (SIP) configured, allows remote attackers to cause a denial of service (crash) by sending a crafted packet to port 5060/UDP.
Max CVSS
7.8
EPSS Score
6.04%
Published
2007-02-01
Updated
2017-10-11
Cisco PIX 500 and ASA 5500 Series Security Appliances 7.2.2, when configured to inspect certain TCP-based protocols, allows remote attackers to cause a denial of service (device reboot) via malformed TCP packets.
Max CVSS
7.8
EPSS Score
6.25%
Published
2007-02-16
Updated
2018-10-30
1713 vulnerabilities found
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