CVE records

Every CVE as the CVE Program publishes it, refreshed every ten minutes, with NVD's analysis, CISA's known-exploited status and a healthcare tag. Free accounts get a daily email of the CVEs that match up to 3 of their products on My program; subscribers get each one the moment it is published. Where the data comes from: sources.

Updated under an hour ago ()

What this means for you

This week: 3,263 CVEs published, 235 critical, and 3 newly confirmed exploited. Add your stack to see whether any of them hit you.

Published in the last 7 days
3,263
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Critical, last 7 days
235
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Healthcare-tagged, last 7 days
5
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Known exploited (CISA KEV)
1,762
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Showing CVEs that name the product cisco:ios_xr. Show all products

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17 CVEs
Showing 1 to 10.
CVESeverityTitlePublished
CVE-2026-20280High 8.8Cisco IOS XR Software Security Hardening Release: September 2026
Assigned by cisco
Sep 2, 2026
CVE-2026-20274Critical 9.8Cisco IOS XR Software Security Hardening Release: September 2026
Assigned by cisco
Sep 2, 2026
CVE-2026-20276High 8.6Cisco IOS XR Software Security Hardening Release: September 2026
Assigned by cisco
Sep 2, 2026
CVE-2026-20046High 8.8Cisco IOS XR Software CLI Privilege Escalation Vulnerability
Assigned by cisco
Mar 11, 2026
CVE-2026-20074High 7.4Cisco IOS XR Software Multi-Instance Intermediate System-to-Intermediate System Denial of Service Vulnerability
Assigned by cisco
Mar 11, 2026
CVE-2026-20040High 8.8Cisco IOS XR Software CLI Privilege Escalation Vulnerability
Assigned by cisco
Mar 11, 2026
CVE-2025-20363Critical 9.0A vulnerability in the web services of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software, Cisco Secure Firewall Threat Defense (FTD) Software, Cisco IOS Software, Cisco IOS XE Software…
Assigned by cisco
Sep 25, 2025
CVE-2023-44487
Known exploited
High 7.5The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.
Assigned by mitre
Oct 9, 2023
CVE-2022-20821
Known exploited
Medium 6.5Cisco IOS XR Software Health Check Open Port Vulnerability
Assigned by cisco
May 26, 2022
CVE-2020-3569
Known exploited
High 8.6Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerabilities
Assigned by cisco
Sep 22, 2020

CVSS is the assigning CNA's score where it gives one, otherwise NVD's. The healthcare tag is a documented heuristic (a list of clinical and health IT vendors, and clinical terms in the description), not a classification. The CVE record is authoritative.

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