CI
Product
Cisco IOS XR Software
by Cisco · last CVE Oct 21, 2026
On CISA KEVExploited in the wild
20
CVEs
4
On KEV
9.8
Max CVSS
1
New 30D
Severity mix
Critical 3High 13Medium 4Low 0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2020-3118
In wildKEV
8.8
12%
Feb 5
Cisco IOS XR Software Cisco Discovery Protocol Format String Vulnerability
Affected: before 6.6.3
CVE-2020-3569
In wildKEV
8.6
3%
Sep 23
Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerabilities
Affected: All versions, or not specified
CVE-2020-3566
In wildKEV
8.6
4%
Aug 29
Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerability
Affected: All versions, or not specified
Showing 3