Medium severity · published Jul 2, 2021
CVE-2021-35207
An issue was discovered in Zimbra Collaboration Suite 8.8 before 8.8.15 Patch 23 and 9.0 before 9.0.0 Patch 16
6.1
CVSS
3.3%
EPSS
No
On KEV
Description
An issue was discovered in Zimbra Collaboration Suite 8.8 before 8.8.15 Patch 23 and 9.0 before 9.0.0 Patch 16. An XSS vulnerability exists in the login component of Zimbra Web Client, in which an attacker can execute arbitrary JavaScript by adding executable JavaScript to the loginErrorCode parameter of the login url.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)3.3% · higher than 88% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CO
Collaboration · Zimbra
8.8 before 8.8.15; 8.8.15; 8.8.15; 8.8.15; 8.8.15; 8.8.15; +34 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-35207
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-35207
Release Notes
https://wiki.zimbra.com/wiki/Security_Center
Vendor Advisory
https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P23
Vendor Advisory
https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P16
Vendor Advisory
https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
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