VulnerabilityAnalyzed
CVE-2022-27924
Synacor Zimbra Collaboration Suite (ZCS) Command Injection Vulnerability
KEVHIGH 7.5EPSS 85.4%
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 25 August 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
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 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 85.40% probability · 100th percentile
- CISA KEV
- Listed 4 August 2022 · due 25 August 2022 · used in ransomware campaigns
- Weakness
- CWE-74
- Affected
- synacor/zimbra collaboration suite
- Source
- cve@mitre.org
CISA notes
Apply updates per vendor instructions. https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P24.1#Security_Fixes; https://nvd.nist.gov/vuln/detail/CVE-2022-27924
References
- https://wiki.zimbra.com/wiki/Security_CenterVendor Advisory
- https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P24Release Notes, Vendor Advisory
- https://wiki.zimbra.com/wiki/Zimbra_Security_AdvisoriesVendor Advisory
- https://wiki.zimbra.com/wiki/Security_CenterVendor Advisory
- https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P24Release Notes, Vendor Advisory
- https://wiki.zimbra.com/wiki/Zimbra_Security_AdvisoriesVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-27924US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.