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Zimbra Collaboration (aka ZCS) 8.8.15 and 9.0 allows an unauthenticated attacker to inject arbitrary memcache commands into a targeted instance. These memcache commands becomes unescaped, causing an overwrite of arbitrary cached entries.

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

cve-program · CVE-2022-27924

Published

Zimbra Collaboration (aka ZCS) 8.8.15 and 9.0 allows an unauthenticated attacker to inject arbitrary memcache commands into a targeted instance. These memcache commands becomes unescaped, causing an overwrite of arbitrary cached entries.

Source published
20 Apr 2022 23:23:17 UTC
Source modified
1 Oct 2026 20:28:12 UTC
Observed here
23 Oct 2026 15:48:27 UTC
Source terms
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Sources read 12 Nov 03:25 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current