CVE-2020-11737 — MEDIUM (6.1)

Vulnerability Description

A cross-site scripting (XSS) vulnerability in Web Client in Zimbra 9.0 allows a remote attacker to craft links in an E-Mail message or calendar invite to execute arbitrary JavaScript. The attack requires an A element containing an href attribute with a "www" substring (including the quotes) followed immediately by a DOM event listener such as onmouseover. This is fixed in 9.0.0 Patch 2.

CVSS Score

6.1

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Zimbra	Zimbra	9.0.0

Related Weaknesses (CWE)

CWE-79

References

https://blog.zimbra.com/2020/05/new-zimbra-9-kepler-patch-2/Vendor Advisory
https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P2Vendor Advisory
https://wiki.zimbra.com/wiki/Zimbra_Security_AdvisoriesVendor Advisory
https://blog.zimbra.com/2020/05/new-zimbra-9-kepler-patch-2/Vendor Advisory
https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P2Vendor Advisory
https://wiki.zimbra.com/wiki/Zimbra_Security_AdvisoriesVendor Advisory

FAQ

What is CVE-2020-11737?

CVE-2020-11737 is a vulnerability with a CVSS score of 6.1 (MEDIUM). A cross-site scripting (XSS) vulnerability in Web Client in Zimbra 9.0 allows a remote attacker to craft links in an E-Mail message or calendar invite to execute arbitrary JavaScript. The attack requi...

How severe is CVE-2020-11737?

CVE-2020-11737 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-11737?

Check the references section above for vendor advisories and patch information. Affected products include: Zimbra Zimbra.