High severity · published Apr 20, 2022
CVE-2022-27924
Synacor Zimbra Collaboration Suite (ZCS) Command Injection Vulnerability
RansomwareIn wildKEV
7.5
CVSS
93.9%
EPSS
Yes
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)93.9% · higher than 100% of CVEs
Exploited in the wildYes
CISA KEVListed Aug 4, 2022
Federal remediation dueAug 25, 2022
Ransomware campaign useKnown
Affected products
Which versions
ZC
Zimbra Collaboration Suite · Synacor
8.8.15; 8.8.15; 8.8.15; 8.8.15; 8.8.15; 8.8.15; +34 more · source: NVD
ZC
Zimbra Collaboration Suite (ZCS) · Synacor
All versions, or not specified · source: KEV
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-27924
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-27924
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
x_refsource_MISC
https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
x_refsource_MISC
https://wiki.zimbra.com/wiki/Security_Center
x_refsource_MISC
https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P24
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