IRONSMITHINTEL
MEDIUMCVSS6.5
|
Actively Exploited
|CISA KEV|CVE-2019-8394|Auth: low — authenticated user|Reboot: required|Manual only

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.

Published Feb 17, 2019 · Updated May 16, 2026
Why patchRisk explained in plain English
Worst-case scenarioIf unpatched

A remote attacker, with a low-privilege account, can achieve partial data exposure, arbitrary modification of data. Federal agencies are required to remediate by 2022-05-03 under CISA BOD 22-01.

How the attack worksNo clicks needed

This is a Unrestricted File Upload (CWE-434) vulnerability in Zoho ManageEngine. Exploitation requires remote network access, low attack complexity, a low-privilege authenticated account, and no user interaction required.

Am I affected?Quick check

Probably yes if any of these apply:

●IT Security
●Running manageengine servicedesk plus: v < 10.0.0, 10.0.0
Real-world incidentsWhat we've seen

Active exploitation documented in the wild. Threat-research write-up: https://www.exploit-db.com/exploits/46413/

How to patch

Manual remediation steps

Apply the Vendor Patch

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog — apply the vendor's security update as soon as possible.

CISA required action: Apply updates per vendor instructions.

References

    1
    Vendor advisory: https://www.manageengine.com/products/service-desk/readme.html
    1
    NVD entry: https://nvd.nist.gov/vuln/detail/CVE-2019-8394
    1
    CISA KEV: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-8394
PowerShell automationComing soon

No tested PowerShell script for this entry yet. We’re prioritising automation based on user demand.

References

↗ CVE-2019-8394↗ NVD↗ Vendor Advisory