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Class familyCisco · IOS software

Cisco IOS software input validation flaws, 2017–2021

8 IOS software CVEs with CWE-20 weaknesses, 29 Sep 2017 to 23 Sep 2021. 3 are in .

CVEs by year

Published each year. Select a CVE to open it.

Grouped by product and weakness type (CWE); not proven to share a root cause.

In CISA KEVNot in KEV

CVEs in this family

Table view of the years above
CVEPublishedTitleLinked fromPriority
CVE-2017-12233KEV 29 Sep 2017 Cisco IOS Software Common Industrial Protocol Request Denial-of-Service Vulnerability Grouped by weakness 62.1
CVE-2017-12234KEV 29 Sep 2017 Cisco IOS Software Common Industrial Protocol Request Denial-of-Service Vulnerability Grouped by weakness 62.1
CVE-2017-12235KEV 29 Sep 2017 Cisco IOS Software for Cisco Industrial Ethernet Switches PROFINET Denial-of-Service Vulnerability Grouped by weakness 62.1
CVE-2018-0467 5 Oct 2018 Cisco IOS and IOS XE Software IPv6 Hop-by-Hop Options Denial of Service Vulnerability Grouped by weakness 18.0
CVE-2018-0475 5 Oct 2018 Cisco IOS and IOS XE Software Cluster Management Protocol Denial of Service Vulnerability Grouped by weakness 11.7
CVE-2020-3409 24 Sep 2020 Cisco IOS and IOS XE Software PROFINET Denial of Service Vulnerability Grouped by weakness 14.2
CVE-2020-3511 24 Sep 2020 Cisco IOS and IOS XE Software ISDN Q.931 Denial of Service Vulnerability Grouped by weakness 12.7
CVE-2021-34714 23 Sep 2021 Multiple Cisco Operating Systems Unidirectional Link Detection Denial of Service Vulnerability Grouped by weakness 11.8
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