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CRITICAL · CVSS 9.8 CISA Known Exploited Vulnerability

CVE-2022-35405

Zoho ManageEngine Multiple Products Remote Code Execution Vulnerability

Zoho ManageEngine

Zoho ManageEngine Password Manager Pro before 12101 and PAM360 before 5510 are vulnerable to unauthenticated remote code execution. (This also affects ManageEngine Access Manager Plus before 4303 with authentication.)

CVSS
9.8
CRITICAL
EPSS
99.9%
30-day exploitation
Ransomware groups
0
recorded exploiting
Published
19 Jul 2022
CWE-502

Exploitation status

CISA Known Exploited Vulnerabilities

Listed by CISA on 22 September 2022. US federal agencies were required to remediate it by 13 October 2022.

EPSS — exploitation probability

FIRST puts the probability of exploitation activity in the next 30 days at 99.9%, which is higher than 99.9% of all scored vulnerabilities. EPSS is a forecast of activity, not a measure of severity, and it is rescored daily.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Frequently asked questions

Is CVE-2022-35405 being exploited by ransomware groups?

No ransomware group in this database is currently recorded as exploiting CVE-2022-35405.

What does CVE-2022-35405 affect?

CVE-2022-35405 affects Zoho ManageEngine. Zoho ManageEngine Password Manager Pro before 12101 and PAM360 before 5510 are vulnerable to unauthenticated remote code execution. (This also affects ManageEngine Access Manager Plus before 4303 with authentication.)

How severe is CVE-2022-35405?

CVE-2022-35405 is rated CRITICAL with a CVSS base score of 9.8. EPSS puts the probability of exploitation in the next 30 days at 99.9%, higher than 99.9% of all scored vulnerabilities. It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 13 October 2022.

How should organisations respond to CVE-2022-35405?

Apply the vendor patch for Zoho ManageEngine as the first priority, and treat any internet-facing instance as the most urgent. Because this vulnerability is associated with ransomware activity, also review whether the affected systems were reachable before patching, rather than assuming that patching alone closes the incident.