CVE-2021-41318
MediumCVSS 6.1Exploitation Probability (EPSS)
Very high risk93th percentile - higher than 93% of all known CVEs
Summary
In Progress WhatsUp Gold before version 21.1.0, an application endpoint failed to adequately sanitize malicious input, which could allow an unauthenticated attacker to execute arbitrary code in a victim's browser.
Risk Assessment
The risk includes hijacking a user's browser session, data theft, or spreading malware within the organization.
Recommendation
Immediately upgrade Progress WhatsUp Gold to version 21.1.0 or later and train users on safe link clicking.
Other vulnerabilities in WhatsUp Gold
See all- CVE-2024-6670CriticalActively exploited
In WhatsUp Gold versions released before 2024.0.0, a SQL Injection vulnerability allows an unauthenticated attacker to retrieve the users encrypted password.
- CVE-2024-4885CriticalActively exploited
In WhatsUp Gold versions before 2023.1.3, an unauthenticated Remote Code Execution vulnerability exists. The WhatsUp.ExportUtilities.Export.GetFileWithoutZip function allows execution of commands with iisapppool\nmconsole privileges.
- CVE-2026-65941High
WhatsUp Gold before version 2026.0.2 has a vulnerability allowing an unauthenticated remote attacker to execute arbitrary code in the context of the IIS application service account.
- CVE-2026-65940Medium
In WhatsUp Gold versions released before 2026.0.2, a privileged attacker can write arbitrary files to a web-accessible location on the host server.
- CVE-2026-65939Medium
In WhatsUp Gold versions released before 2026.0.2, a privileged attacker can create a LogToFile action specifying an arbitrary file extension within the IIS web root.
- CVE-2026-65938Medium
In WhatsUp Gold versions released before 2026.0.2, an improper authorization vulnerability in the Scheduled Reports API allows any authenticated user to invoke restricted actions.
- CVE-2026-65937High
WhatsUp Gold before version 2026.0.2 has a vulnerability allowing an authenticated attacker to bypass frontend controls and inject persistent script content.
- CVE-2023-35759Medium
In Progress WhatsUp Gold before version 23.0.0 has an SNMP-related application endpoint that fails to adequately sanitize malicious input. This could allow an unauthenticated attacker to execute arbitrary code in a victim's browser, known as XSS.
Original NVD description (English source)
In Progress WhatsUp Gold prior to version 21.1.0, an application endpoint failed to adequately sanitize malicious input. which could allow an unauthenticated attacker to execute arbitrary code in a victim's browser.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS