Cisco IOS XR 24.4 · Version Status
Cisco IOS XR 24.4 End of Life Date
Cisco IOS XR 24.4 end-of-life date, support status, and CVE risk. Data reconciled from official vendor documentation and endoflife.date at every build; the source of each date is on the product page.
✓
Cisco IOS XR 24.4 is actively supported. EOL date: December 18, 2028.
📅 Get reminded before Cisco IOS XR 24.4 reaches EOL on December 18, 2028 — alerts 90, 30 & 7 days out.
✓ Alerts are on — confirmation is in your inbox.
EOL Date
Dec 18, 2028
831 days remaining
Latest Release
24.4
Standard release
Release Date
—
Cisco IOS XR 24.4 series
Extended Support
Jun 30, 2029
Extended support
Attack Surface
10/30 Medium tier
CISA KEV Exposure
20/20 Named in CISA KEV
Extended Support
0/10 Available
EOL Risk Score™ — proprietary methodology by endoflife.ai. Factors: EOL recency, attack surface breadth, CISA KEV catalog presence, extended support availability. Updated at every build.
Methodology → ·
View score card →
All Cisco IOS XR Versions
| Version | Latest | EOL Date | Status |
|---|
| 3.3 |
3.3 |
Dec 31, 2011 |
EOL |
| 3.4 |
3.4 |
Dec 31, 2011 |
EOL |
| 3.5 |
3.5 |
May 11, 2012 |
EOL |
| 3.6 |
3.6 |
Jun 30, 2012 |
EOL |
| 3.8 |
3.8 |
Dec 28, 2013 |
EOL |
| 3.9 |
3.9 |
Apr 9, 2012 |
EOL |
| 4.0 |
4.0 |
Oct 1, 2014 |
EOL |
| 4.1 |
4.1 |
Mar 19, 2016 |
EOL |
What does Cisco IOS XR 24.4 end of life mean?
When Cisco IOS XR 24.4 reaches end of life, the maintainers stop issuing security patches for this version. CVEs discovered after the EOL date are publicly disclosed on the National Vulnerability Database with no patch available. Exploit code frequently appears on GitHub within days of disclosure.
The CVE blind spot: Most vulnerability scanners check for known CVEs but do not flag the ongoing accumulation of unpatched vulnerabilities in EOL software versions. Running Cisco IOS XR 24.4 past its EOL date creates a permanently growing attack surface that standard security tooling will not surface.
Migrate to Cisco IOS XR 26.1 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.
Frequently Asked Questions
When does Cisco IOS XR 24.4 reach end of life?
Cisco IOS XR 24.4 reached end of life on December 18, 2028. That is 831 days remaining.
Is Cisco IOS XR 24.4 still supported?
Yes, Cisco IOS XR 24.4 is currently supported. The EOL date is December 18, 2028.
What should I upgrade to from Cisco IOS XR 24.4?
The recommended upgrade from Cisco IOS XR 24.4 is
Cisco IOS XR 26.1 — the latest actively supported version. Check the
Cisco IOS XR full timeline for all supported versions.
What are the security risks of running Cisco IOS XR 24.4 past EOL?
When Cisco IOS XR 24.4 reaches end of life, the maintainers stop issuing security patches. Any CVEs disclosed after the EOL date accumulate with no remediation path. Most vulnerability scanners do not flag this — it is the CVE blind spot. Organizations running EOL Cisco IOS XR should migrate immediately or implement compensating controls.