Critical severity · published May 23, 2017
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
9.8
CVSS
3.8%
EPSS
No
On KEV
Description
Directory traversal vulnerability in Zimbra Collaboration Suite (aka ZCS) before 8.7.6 allows attackers to have unspecified impact via unknown vectors.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.8% · higher than 90% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ZC
Zimbra Collaboration Suite · Synacor
through 8.7.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-6821
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-6821
Third Party Advisory
http://www.securityfocus.com/bid/98090
Vendor Advisory
https://wiki.zimbra.com/wiki/Security_Center
Release Notes
https://wiki.zimbra.com/wiki/Zimbra_Releases/8.7.6
More from Zimbra Collaboration Suite
9.8
CVE-2024-45519
Synacor Zimbra Collaboration Suite (ZCS) Command Execution Vulnerability
9.8
CVE-2022-41352
Synacor Zimbra Collaboration Suite (ZCS) Arbitrary File Upload Vulnerability
9.8
CVE-2022-37042
Synacor Zimbra Collaboration Suite (ZCS) Authentication Bypass Vulnerability
9.8
CVE-2020-7796
Synacor Zimbra Collaboration Suite (ZCS) Server-Side Request Forgery Vulnerability
9.8
CVE-2019-9670
Synacor Zimbra Collaboration Suite (ZCS) Improper Restriction of XML External Entity Reference