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7.5
CVSS
High

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....

Exploited in the wild Used in malware Remote Low complexity No user interaction
Vendor
Zimbra
Product
Zimbra Collaboration
Published
Apr 20, 2022
EPSS
—

Description

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.

cisa malware nuclei_scanner nessus_scanner

CVSS scores

CVSS v3.1 7.5 High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CVSS v2.0 5.0

AV:N/AC:L/Au:N/C:N/I:P/A:N

Exploitation status

Exploited in the wild

Recorded 2022-08-04 00:00:00 UTC · Source

Used in malware

Recorded 2026-06-02 14:08:25 UTC · Source

SSVC decision points

Exploitation
active
Automatable
Yes
Technical impact
partial

References

Known exploited vulnerability sources

Catalogues that list this CVE as a known exploited vulnerability.

Source Added
CISA Aug 04, 2022

Scanner integrations

Scanner Reference Detected
Nuclei https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2022/CVE-2022-27924.yaml Jun 01, 2026
Nessus https://www.tenable.com/plugins/nessus/113311 Jun 02, 2025

Timeline

  • CVE ID Reserved

  • CVE Published to Public

  • Added to KEVIntel

  • Detected by Nessus

  • Detected by Nuclei

  • Exploit Used in Malware