Servers and applications
CVE-2017-6821
Directory traversal vulnerability in Zimbra Collaboration Suite (aka ZCS) before 8.7.6 allows attackers to have unspecified impact via unknown vectors.
- Severity
- Critical 9.8
- Published
- 23 May 2017
- Last changed
- 17 Jun 2026
- Added to UpHeron
- 1 Nov 2026
- Exploit chance
- 3.8% in the next 30 daysHigher than 90% of CVEs. EPSS by FIRST, 11 Nov 2026
- Weakness
- Path traversal (CWE-22)
- Attack
- Over the network · No login needed · No user action needed
- Attacker can
- Read data · Change data · Take it down
- CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
Zimbra CollaborationServers and applications · cpe:a:synacor:zimbra_collaboration_suite |
|