PT-2021-11204 · Icewarp · Icewarp Webclient

Published 2021-07-07 · Updated 2021-07-09 · CVE-2020-25925

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: IceWarp WebClient version 10.3.5

Description: The issue allows remote attackers to inject arbitrary web script or HTML via the p4 field in the Webmail Calendar, potentially leading to Cross Site Scripting (XSS) attacks.

Recommendations: For IceWarp WebClient version 10.3.5, update to a newer version that contains a fix for this issue. As a temporary workaround, consider restricting access to the Webmail Calendar to minimize the risk of exploitation. Avoid using the p4 field in the affected Webmail Calendar until the issue is resolved.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2020-25925

Affected Products

Icewarp Webclient

References · 3

• 🔥 https://ashketchum.medium.com/cross-site-scripting-xss-in-webmail-calender-in-icewarp-webclient-cve-2020-25925-67e1cbc40bd9 · Exploit
• https://osv.dev/vulnerability/CVE-2020-25925 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-25925 · Security Note