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IX
Product
IOS XR
by Cisco · last CVE Sep 2, 2026
On CISA KEVExploited in the wild
199
CVEs
9
On KEV
9.8
Max CVSS
0
New 30D
Vulnerabilities199In the news0Timeline
Severity mix
Critical 4High 79Medium 53Low 0
Severity
All severities199Critical4High79Medium53Low0
Exploitation
On CISA KEV9Exploited in the wild9
Watch

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CVECVSSEPSSPublishedSummary · affected versions
CVE-2022-20821
In wildKEV
6.5
11%
May 26
Cisco IOS XR Software Health Check Open Port Vulnerability
Affected: All versions, or not specified
CVE-2009-2055
In wildKEV
5.9
3%
Aug 19
Cisco IOS XR Border Gateway Protocol (BGP) Denial-of-Service Vulnerability
Affected: 3.4; 3.4.0; 3.4.1; 3.4.2; 3.4.3; 3.5; +13 more
Showing 2