Is CVE-2019-8394 actively exploited?

Yes. CVE-2019-8394 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2019-8394 be exploited remotely?

The attack vector of CVE-2019-8394 has not been classified yet.

What is the CVSS score of CVE-2019-8394?

CVE-2019-8394 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2019-8394

HIGHCISA KEVIN THE WILD

CVE-2019-8394

Published: November 3, 2021

EPSS:87.28%probability of exploitation in 30 daysPercentile:99.4th

Official Description

Zoho ManageEngine ServiceDesk Plus (SDP) contains an unspecified vulnerability that allows remote users to upload files via login page customization.

NVD Source

CISA KEV Advisory

Zoho ManageEngine ServiceDesk Plus (SDP) File Upload Vulnerability

Zoho ManageEngine ServiceDesk Plus (SDP) contains an unspecified vulnerability that allows remote users to upload files via login page customization.

Added to KEV: 2021-11-03Federal patch deadline: 2022-05-03

Required Action (CISA)

Apply updates per vendor instructions.

Risk Analysis

Zoho ManageEngine ServiceDesk Plus (SDP) has an unspecified vulnerability that allows remote users to upload files through the login page customization feature. The very high EPSS score of 0.87276 suggests a high probability of exploitation, and its inclusion in CISA's KEV confirms active exploitation, making this a critical issue.

This vulnerability is actively being exploited in the wild. The ability for remote users to upload files via the login page indicates it is remotely exploitable.

Recommended Action

Organizations using Zoho ManageEngine ServiceDesk Plus (SDP) should apply all available security updates. Review and restrict login page customization capabilities to authorized personnel only.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2019-8394 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2019-8394 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.