IRONSMITHINTEL
CRITICALCVSS9.8
|
Actively Exploited
|CISA KEV|CVE-2022-35405|Auth: none — unauthenticated|Reboot: required|Manual only

Zoho ManageEngine Multiple Products Remote Code Execution Vulnerability

Zoho ManageEngine PAM360, Password Manager Pro, and Access Manager Plus contain an unspecified vulnerability that allows for remote code execution.

Published Jul 19, 2022 · Updated May 16, 2026
Why patchRisk explained in plain English
Worst-case scenarioIf unpatched

A remote attacker, without authentication, can achieve full data confidentiality loss, arbitrary modification of data, complete denial of service or system unavailability. Federal agencies are required to remediate by 2022-10-13 under CISA BOD 22-01.

How the attack worksNo clicks needed

This is a Deserialization of Untrusted Data (CWE-502) vulnerability in Zoho ManageEngine. Exploitation requires remote network access, low attack complexity, no authentication required, and no user interaction required.

📧

Phishing link

🖼

Malicious file

🔓

Server compromised

Am I affected?Quick check

Probably yes if any of these apply:

IT Security
Running manageengine access manager plus: v < 4.3, 4.3; manageengine pam360: v < 5.5, 5.5; manageengine password manager pro: v < 12.1, 12.1
Real-world incidentsWhat we've seen

Active exploitation documented in the wild. Threat-research write-up: http://packetstormsecurity.com/files/167918/Zoho-Password-Manager-Pro-XML-RPC-Java-Deserialization.html

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/passwordmanagerpro/advisory/cve-2022-35405.html
    1
    NVD entry: https://nvd.nist.gov/vuln/detail/CVE-2022-35405
    1
    CISA KEV: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-35405
PowerShell automationComing soon

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