Cisco iOS vulnerabilities
594 known vulnerabilities affecting cisco/ios.
Total CVEs
594
CISA KEV
37
actively exploited
Public exploits
30
Exploited in wild
37
Severity breakdown
CRITICAL32HIGH327MEDIUM211LOW11UNKNOWN13
Vulnerabilities
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CVE-1999-1306HIGHCVSS 7.5≤ 9.11992-12-10
CVE-1999-1306 [HIGH] CVE-1999-1306: Cisco IOS 9.1 and earlier does not properly handle extended IP access lists when the IP route cache
Cisco IOS 9.1 and earlier does not properly handle extended IP access lists when the IP route cache is enabled and the "established" keyword is set, which could allow attackers to bypass filters.
nvd
CVE-2009-0633UNKNOWN
CVE-2009-0633 Cisco IOS Software Mobile IP and Mobile IPv6 Vulnerabilities
CVE-2009-0633: Cisco IOS Software Mobile IP and Mobile IPv6 Vulnerabilities
Devices that are running Cisco IOS Software and configured for Mobile IP Network Address Translation (NAT) Traversal feature or Mobile IPv6 are vulnerable to a denial of service (DoS) attack that may result in a blocked interface. Cisco has released software updates that address these vulnerabilities. This advisory is posted at the following link
cisco
CVE-2003-1230UNKNOWN
CVE-2003-1230 Cisco IOS Software TCP Initial Sequence Number Randomization Improvements
CVE-2003-1230: Cisco IOS Software TCP Initial Sequence Number Randomization Improvements
Cisco IOS ?? Software contains a flaw that permits the successful prediction of TCP Initial Sequence Numbers. This vulnerability is present in all released versions of Cisco IOS software running on Cisco routers and switches. It only affects the security of TCP connections that originate or terminate on the affected Cisco
cisco
CVE-2014-3356UNKNOWN
CVE-2014-3356 Cisco IOS Software Metadata Vulnerabilities
CVE-2014-3356: Cisco IOS Software Metadata Vulnerabilities
Two vulnerabilities in the metadata flow feature of Cisco IOS Software could allow an unauthenticated, remote attacker to reload a vulnerable device. The vulnerabilities are due to improper handling of transit RSVP packets that need to be processed by the metadata infrastructure. An attacker could exploit these vulnerabilities by sending malformed RSVP packets to an affected devic
cisco
CVE-2018-0154UNKNOWNCVSS 3.0KEV
CVE-2018-0154 Cisco IOS Software Integrated Services Module for VPN Denial of Service Vulnerability
CVE-2018-0154: Cisco IOS Software Integrated Services Module for VPN Denial of Service Vulnerability
A vulnerability in the crypto engine of the Cisco Integrated Services Module for VPN (ISM-VPN) running Cisco IOS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient handling of VPN traf
cisco
CVE-2016-1330UNKNOWN
CVE-2016-1330 Cisco IOS Software for Cisco Industrial Ethernet 2000 Series Switches Denial of Service Vulnerability
CVE-2016-1330: Cisco IOS Software for Cisco Industrial Ethernet 2000 Series Switches Denial of Service Vulnerability
A vulnerability in the processing of Cisco Discovery Protocol (CDP) packets by Cisco IOS Software for Cisco Industrial Ethernet 2000 Series Switches could allow an unauthenticated, adjacent attacker to cause an affected device to reload. The vulnerability is due to i
cisco
CVE-2009-0634UNKNOWN
CVE-2009-0634 Cisco IOS Software Mobile IP and Mobile IPv6 Vulnerabilities
CVE-2009-0634: Cisco IOS Software Mobile IP and Mobile IPv6 Vulnerabilities
Devices that are running Cisco IOS Software and configured for Mobile IP Network Address Translation (NAT) Traversal feature or Mobile IPv6 are vulnerable to a denial of service (DoS) attack that may result in a blocked interface. Cisco has released software updates that address these vulnerabilities. This advisory is posted at the following link
cisco
CVE-2001-0328UNKNOWNPoC
CVE-2001-0328 Cisco IOS Software TCP Initial Sequence Number Randomization Improvements
CVE-2001-0328: Cisco IOS Software TCP Initial Sequence Number Randomization Improvements
Cisco IOS ?? Software contains a flaw that permits the successful prediction of TCP Initial Sequence Numbers. This vulnerability is present in all released versions of Cisco IOS software running on Cisco routers and switches. It only affects the security of TCP connections that originate or terminate on the affected Cisco
cisco
CVE-2018-0088UNKNOWNCVSS 3.0
CVE-2018-0088 Cisco IOS Software for Industrial Ethernet 4010 Series Switches Test Command Arbitrary Code Execution and Denial of Service Vulnerability
CVE-2018-0088: Cisco IOS Software for Industrial Ethernet 4010 Series Switches Test Command Arbitrary Code Execution and Denial of Service Vulnerability
A vulnerability in one of the diagnostic test CLI commands on Cisco Industrial Ethernet 4010 Series Switches running Cisco IOS Software could allow an authenticated, local attacker to impact the
cisco
CVE-2020-3426UNKNOWNCVSS 3.1
CVE-2020-3426 Cisco IOS Software for Cisco Industrial Routers Virtual-LPWA Unauthorized Access Vulnerability
CVE-2020-3426: Cisco IOS Software for Cisco Industrial Routers Virtual-LPWA Unauthorized Access Vulnerability
A vulnerability in the implementation of the Low Power, Wide Area (LPWA) subsystem of Cisco IOS Software for Cisco 800 Series Industrial Integrated Services Routers (Industrial ISRs) and Cisco 1000 Series Connected Grid Routers (CGR1000) could allow an unauthenticated, remote at
cisco
CVE-2009-0628UNKNOWN
CVE-2009-0628 Cisco IOS Software WebVPN and SSLVPN Vulnerabilities
CVE-2009-0628: Cisco IOS Software WebVPN and SSLVPN Vulnerabilities
Cisco IOS software contains two vulnerabilities within the Cisco IOS WebVPN or Cisco IOS SSLVPN feature (SSLVPN) that can be remotely exploited without authentication to cause a denial of service condition. Both vulnerabilities affect both Cisco IOS WebVPN and Cisco IOS SSLVPN features: Crafted HTTPS packet will crash device. SSLVPN sessions cause a memory leak i
cisco
CVE-2017-12279UNKNOWNCVSS 3.0
CVE-2017-12279 Cisco IOS Software for Cisco Aironet Access Points Information Disclosure Vulnerability
CVE-2017-12279: Cisco IOS Software for Cisco Aironet Access Points Information Disclosure Vulnerability
A vulnerability in the packet processing code of Cisco IOS Software for Cisco Aironet Access Points could allow an unauthenticated, adjacent attacker to retrieve content from memory on an affected device, which could lead to the disclosure of confidential information. The vulnerability is due
cisco
CVE-2014-3355UNKNOWN
CVE-2014-3355 Cisco IOS Software Metadata Vulnerabilities
CVE-2014-3355: Cisco IOS Software Metadata Vulnerabilities
Two vulnerabilities in the metadata flow feature of Cisco IOS Software could allow an unauthenticated, remote attacker to reload a vulnerable device. The vulnerabilities are due to improper handling of transit RSVP packets that need to be processed by the metadata infrastructure. An attacker could exploit these vulnerabilities by sending malformed RSVP packets to an affected devic
cisco
CVE-1999-0077UNKNOWNPoC
CVE-1999-0077 Cisco IOS Software TCP Initial Sequence Number Randomization Improvements
CVE-1999-0077: Cisco IOS Software TCP Initial Sequence Number Randomization Improvements
Cisco IOS ?? Software contains a flaw that permits the successful prediction of TCP Initial Sequence Numbers. This vulnerability is present in all released versions of Cisco IOS software running on Cisco routers and switches. It only affects the security of TCP connections that originate or terminate on the affected Cisco
cisco
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