CVE-2022-27925
Synacor Zimbra Collaboration Suite (ZCS) Arbitrary File Upload Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 1 September 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 has mboximport functionality that receives a ZIP archive and extracts files from it. An authenticated user with administrator rights has the ability to upload arbitrary files to the system, leading to directory traversal.
- CVSS 3.1
- 7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 98.68% probability · 100th percentile
- CISA KEV
- Listed 11 August 2022 · due 1 September 2022 · used in ransomware campaigns
- Weakness
- CWE-22
- Affected
- synacor/zimbra collaboration suite
- Source
- cve@mitre.org
CISA notes
Apply updates per vendor instructions. https://blog.zimbra.com/2022/08/authentication-bypass-in-mailboximportservlet-vulnerability/; https://nvd.nist.gov/vuln/detail/CVE-2022-27925
References
- http://packetstormsecurity.com/files/168146/Zimbra-Zip-Path-Traversal.htmlExploit, Third Party Advisory, VDB Entry
- 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
- http://packetstormsecurity.com/files/168146/Zimbra-Zip-Path-Traversal.htmlExploit, Third Party Advisory, VDB Entry
- 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-2022-27925US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.