CVE-2022-27924: Zimbra Collaboration (ZCS) Command Injection Vulnerability
First published: Wed Apr 20 2022(Updated: )
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.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Zimbra Collaboration | =8.8.15 | |
| Zimbra Collaboration | =9.0.0 | |
| Zimbra Collaboration (ZCS) | ||
| =8.8.15 | ||
| =9.0.0 |
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Reference Links
- https://wiki.zimbra.com/wiki/Security_Center
- https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P24
- https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
- https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P24.1#Security_Fixes;
- https://nvd.nist.gov/vuln/detail/CVE-2022-27924
- https://www.bleepingcomputer.com/news/security/us-uk-warn-of-russian-apt29-hackers-targeting-zimbra-teamcity-servers/
Frequently Asked Questions
What is the severity of CVE-2022-27924?
The severity of CVE-2022-27924 is high with a CVSS score of 7.5.
How does CVE-2022-27924 affect Zimbra Collaboration (ZCS)?
CVE-2022-27924 affects Zimbra Collaboration (ZCS) versions 8.8.15 and 9.0.
How can an attacker exploit CVE-2022-27924?
An unauthenticated attacker can exploit CVE-2022-27924 by injecting arbitrary memcache commands into a targeted Zimbra Collaboration instance.
What is the impact of CVE-2022-27924?
CVE-2022-27924 allows an attacker to overwrite arbitrary cached entries, potentially leading to unauthorized access or denial of service.
How can I fix CVE-2022-27924?
To fix CVE-2022-27924, it is recommended to upgrade Zimbra Collaboration to a patched version.
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