CVE-2021-35207

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.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.86% Top 30%
Vendor Advisory zimbra.com Vendor Advisory zimbra.com Vendor Advisory zimbra.com Vendor Advisory zimbra.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories vendor advisory
https://wiki.zimbra.com/wiki/Security_Center release notes vendor advisory
https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P16 vendor advisory
https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P23 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-35207?
CVE-2021-35207 has been scored as a medium severity vulnerability.
How to fix CVE-2021-35207?
To fix CVE-2021-35207, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-35207 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-35207 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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