CVE-2022-27924

7.5 HIGH CISA KEV - Actively Exploited

Published: April 21, 2022 Modified: October 31, 2025

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://wiki.zimbra.com/wiki/Security_Center

Source: cve@mitre.org

Vendor Advisory

https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P24

Source: cve@mitre.org

Release Notes Vendor Advisory

https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories

Source: cve@mitre.org

Vendor Advisory

https://wiki.zimbra.com/wiki/Security_Center

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P24

Source: af854a3a-2127-422b-91ae-364da2661108

Release Notes Vendor Advisory

https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-27924

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

US Government Resource

7 reference(s) from NVD

Quick Stats

CVSS v3 Score

7.5 / 10.0

EPSS (Exploit Probability)

64.8%

98th percentile

Exploitation Status

Actively Exploited

Remediation due: 2022-08-25

Weaknesses (CWE)

CWE-74 CWE-74

Affected Vendors

synacor

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