← Back

Cisco

cisco

6,717 CVEs • 6,231 products

Products (6,231)

Click to collapse
Toggle
Ios
ios
Ios Xe
ios_xe
Nx Os
nx_os
Ios Xr
ios_xr
Asyncos
asyncos
Asa 5500
asa_5500
Jabber
jabber
Roomos
roomos

CVEs (6,717)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Cisco
1Vpn 3000 Concentrator Series Software
Apr 16, 2026
Oct 4, 2002
N/A· v4
N/A· v3
5.0 MEDIUM· v2
HTML interface for Cisco VPN 3000 Concentrator 2.x.x and 3.x.x before 3.0.3(B) allows remote attackers to cause a denial of service (CPU consumption) via a long URL request.
1Cisco
1Vpn 3000 Concentrator Series Software
Apr 16, 2026
Oct 4, 2002
N/A· v4
N/A· v3
7.5 HIGH· v2
Cisco VPN 3000 Concentrator 3.6(Rel) and earlier, and 2.x.x, when configured to use internal authentication with group accounts and without any user accounts, allows remote VPN clients to log in using PPTP or IPSEC user...Show more
Cisco VPN 3000 Concentrator 3.6(Rel) and earlier, and 2.x.x, when configured to use internal authentication with group accounts and without any user accounts, allows remote VPN clients to log in using PPTP or IPSEC user authentication.Show less
1Cisco
4Catos
Css11000 Content Services SwitchIos+1 more
Apr 16, 2026
Oct 4, 2002
N/A· v4
N/A· v3
7.1 HIGH· v2
Cisco IOS 12.0 through 12.2, when supporting SSH, allows remote attackers to cause a denial of service (CPU consumption) via a large packet that was designed to exploit the SSH CRC32 attack detection overflow (CVE-2001-0...Show more
Cisco IOS 12.0 through 12.2, when supporting SSH, allows remote attackers to cause a denial of service (CPU consumption) via a large packet that was designed to exploit the SSH CRC32 attack detection overflow (CVE-2001-0144).Show less
1Cisco
1Pix Firewall
Apr 16, 2026
Oct 4, 2002
N/A· v4
N/A· v3
7.5 HIGH· v2
The encryption algorithms for enable and passwd commands on Cisco PIX Firewall can be executed quickly due to a limited number of rounds, which make it easier for an attacker to decrypt the passwords using brute force te...Show more
The encryption algorithms for enable and passwd commands on Cisco PIX Firewall can be executed quickly due to a limited number of rounds, which make it easier for an attacker to decrypt the passwords using brute force techniques.Show less
1Cisco
1Optical Networking Systems Software
Apr 16, 2026
Oct 4, 2002
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Cisco ONS15454 optical transport platform running ONS 3.1.0 to 3.2.0 allows remote attackers to cause a denial of service (reset) by sending IP packets with non-zero Type of Service (TOS) bits to the Timing Control Card...Show more
Cisco ONS15454 optical transport platform running ONS 3.1.0 to 3.2.0 allows remote attackers to cause a denial of service (reset) by sending IP packets with non-zero Type of Service (TOS) bits to the Timing Control Card (TCC) LAN interface.Show less
1Cisco
1Secure Access Control Server
Apr 16, 2026
Oct 4, 2002
N/A· v4
N/A· v3
7.5 HIGH· v2
Cross-site scripting vulnerability in CiscoSecure ACS 3.0 allows remote attackers to execute arbitrary script or HTML as other web users via the action argument in a link to setup.exe.
1Cisco
1Ids Device Manager
Apr 16, 2026
Oct 4, 2002
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Directory traversal vulnerability in the web server for Cisco IDS Device Manager before 3.1.2 allows remote attackers to read arbitrary files via a .. (dot dot) in the HTTPS request.
1Cisco
1Cbos
Apr 16, 2026
Oct 4, 2002
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Cisco DSL CPE devices running CBOS 2.4.4 and earlier allows remote attackers to cause a denial of service (hang or memory consumption) via (1) a large packet to the DHCP port, (2) a large packet to the Telnet port, or (3...Show more
Cisco DSL CPE devices running CBOS 2.4.4 and earlier allows remote attackers to cause a denial of service (hang or memory consumption) via (1) a large packet to the DHCP port, (2) a large packet to the Telnet port, or (3) a flood of large packets to the CPE, which causes the TCP/IP stack to consume large amounts of memory.Show less
1Cisco
2Skinny Client Control Protocol Software
Voip Phone Cp 7940
Apr 16, 2026
Oct 4, 2002
N/A· v4
N/A· v3
6.4 MEDIUM· v2
The web server for Cisco IP Phone (VoIP) models 7910, 7940, and 7960 allows remote attackers to cause a denial of service (reset) and possibly read sensitive memory via a large integer value in (1) the stream ID of the S...Show more
The web server for Cisco IP Phone (VoIP) models 7910, 7940, and 7960 allows remote attackers to cause a denial of service (reset) and possibly read sensitive memory via a large integer value in (1) the stream ID of the StreamingStatistics script, or (2) the port ID of the PortInformation script.Show less
1Cisco
2Skinny Client Control Protocol Software
Voip Phone Cp 7940
Apr 16, 2026
Oct 4, 2002
N/A· v4
N/A· v3
2.1 LOW· v2
Cisco IP Phone (VoIP) models 7910, 7940, and 7960 use a default administrative password, which allows attackers with physical access to the phone to modify the configuration settings.
1Cisco
2Skinny Client Control Protocol Software
Voip Phone Cp 7940
Apr 16, 2026
Oct 4, 2002
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Cisco IP Phone (VoIP) models 7910, 7940, and 7960 allow remote attackers to cause a denial of service (crash) via malformed packets as demonstrated by (1) "jolt", (2) "jolt2", (3) "raped", (4) "hping2", (5) "bloop", (6)...Show more
Cisco IP Phone (VoIP) models 7910, 7940, and 7960 allow remote attackers to cause a denial of service (crash) via malformed packets as demonstrated by (1) "jolt", (2) "jolt2", (3) "raped", (4) "hping2", (5) "bloop", (6) "bubonic", (7) "mutant", (8) "trash", and (9) "trash2."Show less
1Cisco
2Content Services Switch 11000
Webns
Apr 16, 2026
Sep 5, 2002
N/A· v4
N/A· v3
7.5 HIGH· v2
The original patch for the Cisco Content Service Switch 11000 Series authentication bypass vulnerability (CVE-2001-0622) was incomplete, which still allows remote attackers to gain additional privileges by directly reque...Show more
The original patch for the Cisco Content Service Switch 11000 Series authentication bypass vulnerability (CVE-2001-0622) was incomplete, which still allows remote attackers to gain additional privileges by directly requesting the web management URL instead of navigating through the interface, possibly via a variant of the original attack, as identified by Cisco bug ID CSCdw08549.Show less
1Cisco
1Vpn Client
Apr 16, 2026
Sep 5, 2002
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Cisco Virtual Private Network (VPN) Client 3.5.4 and earlier allows remote attackers to cause a denial of service (CPU consumption) via a packet with a zero-length payload.
1Cisco
1Vpn Client
Apr 16, 2026
Sep 5, 2002
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Buffer overflows in Cisco Virtual Private Network (VPN) Client 3.5.4 and earlier allows remote attackers to cause a denial of service via (1) an Internet Key Exchange (IKE) with a large Security Parameter Index (SPI) pay...Show more
Buffer overflows in Cisco Virtual Private Network (VPN) Client 3.5.4 and earlier allows remote attackers to cause a denial of service via (1) an Internet Key Exchange (IKE) with a large Security Parameter Index (SPI) payload, or (2) an IKE packet with a large number of valid payloads.Show less
1Cisco
1Iscsi Driver
Apr 16, 2026
Aug 12, 2002
N/A· v4
N/A· v3
4.6 MEDIUM· v2
Linux-iSCSI iSCSI implementation installs the iscsi.conf file with world-readable permissions on some operating systems, including Red Hat Linux Limbo Beta #1, which could allow local users to gain privileges by reading...Show more
Linux-iSCSI iSCSI implementation installs the iscsi.conf file with world-readable permissions on some operating systems, including Red Hat Linux Limbo Beta #1, which could allow local users to gain privileges by reading the cleartext CHAP password.Show less
1Cisco
1Vpn 5000 Concentrator Series Software
Apr 16, 2026
Aug 12, 2002
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Cisco VPN 5000 series concentrator hardware 6.0.21.0002 and earlier, and 5.2.23.0003 and earlier, when using RADIUS with a challenge type of Password Authentication Protocol (PAP) or Challenge, sends the user password in...Show more
Cisco VPN 5000 series concentrator hardware 6.0.21.0002 and earlier, and 5.2.23.0003 and earlier, when using RADIUS with a challenge type of Password Authentication Protocol (PAP) or Challenge, sends the user password in cleartext in a validation retry request, which could allow remote attackers to steal passwords via sniffing.Show less
1Cisco
1Ios
Apr 16, 2026
Aug 12, 2002
N/A· v4
N/A· v3
7.1 HIGH· v2
Heap-based buffer overflow in the TFTP server capability in Cisco IOS 11.1, 11.2, and 11.3 allows remote attackers to cause a denial of service (reset) or modify configuration via a long filename.
1Cisco
2Content Services Switch 11000
Webns
Apr 16, 2026
Aug 12, 2002
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The web management interface for Cisco Content Service Switch (CSS) 11000 switches allows remote attackers to cause a denial of service (soft reset) via (1) an HTTPS POST request, or (2) malformed XML data.
1Cisco
8Cache Engine 505
Cache Engine 550Cache Engine 570+5 more
Apr 16, 2026
Aug 12, 2002
N/A· v4
N/A· v3
7.5 HIGH· v2
The default configuration of the proxy for Cisco Cache Engine and Content Engine allows remote attackers to use HTTPS to make TCP connections to allowed IP addresses while hiding the actual source IP.
1Cisco
1Ata 186
Apr 16, 2026
Aug 12, 2002
N/A· v4
N/A· v3
6.4 MEDIUM· v2
The web-based configuration interface for the Cisco ATA 186 Analog Telephone Adaptor allows remote attackers to bypass authentication via an HTTP POST request with a single byte, which allows the attackers to (1) obtain...Show more
The web-based configuration interface for the Cisco ATA 186 Analog Telephone Adaptor allows remote attackers to bypass authentication via an HTTP POST request with a single byte, which allows the attackers to (1) obtain the password from the login screen, or (2) reconfigure the adaptor by modifying certain request parameters.Show less