Zimbra 10.1 End of Life Date
Zimbra 10.1 end-of-life date, support status, and CVE risk. Dates read at the vendor's own lifecycle pages (wiki.zimbra.com); the source of each date is on the product page.
Zimbra 10.1 was released on July 16, 2024 and has no published end-of-life date yet. It is not an LTS release; Zimbra reserves longer patch windows for its LTS versions. Its most recent patch is 10.1.21, published September 24, 2026.
What does Zimbra 10.1 end of life mean?
When Zimbra 10.1 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: A CVE-based scan does not show the ongoing accumulation of unpatched vulnerabilities in EOL software versions. Some scanners flag unsupported versions of common products, but coverage varies, and none of them give you the date in advance. Running Zimbra 10.1 past its EOL date creates a growing attack surface that a clean scan result does not rule out.
Migrate to Zimbra 10.1 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.