Threats / Zoho / CVE-2022-35405
CVE-2022-35405
· EUVD no mirror located
· GCVE no mirror located
Verified 2026-06-22
Zoho ManageEngine vulnerability
Zoho ManageEngine PAM360, Password Manager Pro, and Access Manager Plus contain a deserialization vulnerability enabling remote code execution. The flaw is actively exploited in the wild.
Verdict
Today item — known-exploited.
An unauthenticated remote attacker can execute arbitrary code on affected ManageEngine instances through unsafe deserialization. Active exploitation and high EPSS score indicate immediate risk to credential management infrastructure.
01
Is it exploitable?
— the evidence, ranked above the scoreExploit available
Fully weaponized — public exploit code is cataloged for this vulnerability.We link the existence of the exploit; we do not host or redistribute payloads.
Reported exploitation
1 independent public report of in-the-wild exploitation are cataloged.Distinct reporting sources (vendor, incident response, government); open them for the underlying claims.
Exploited in the wild
Listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-09-22).
Probability (EPSS)
EPSS 0.9994 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
Affected: Zoho, ManageEngine. Confirm exact fixed builds in the vendor advisory.
Weakness (CWE)
Mapped to CWE-502 Deserialization of Untrusted Data — weakness family: Injection.CWE assignment from the public NVD record; the weakness class drives how the flaw is exploited.
02
Who’s exploiting it?
— attribution turns risk into urgencyAttribution not established
No confirmed (advisory-backed) threat-actor attribution is established for this record. Absence of a named actor is not absence of compromise — see Coverage & confidence.
03
Why it matters
— the attack path, told twice: adversary, then board1
Front door — unauthenticated access narrative 1
Attacker
I craft a malicious serialized object and send it to the vulnerable ManageEngine endpoint to trigger unsafe deserialization.
Business
Attackers gain code execution on systems managing privileged credentials, enabling lateral movement and data exfiltration across the enterprise.
2
Keys to the kingdom — privilege/identity takeover narrative 2
Attacker
I execute system commands with the privileges of the ManageEngine service process to establish persistence and access credential stores.
Business
Compromise of password vaults and access control systems exposes all managed credentials, breaking authentication trust across dependent applications.
3
Lateral reach — past segmentation narrative 3
Attacker
I extract stored credentials and authentication tokens from the compromised ManageEngine instance for use in follow-on attacks.
Business
Attackers pivot to connected systems and cloud services using stolen credentials, multiplying breach scope and enabling data theft or sabotage.
04
What to do
— defensible action- Remediate per the vendor advisory — confirm the fixed build for your version and verify exposure.1
Say it to the boardA vulnerability with this evidence profile is a defensible budget line, not a backlog ticket — fund the change against the proof above.
05