Zoho ManageEngine Multiple Products Remote Code Execution Vulnerability
Multiple Zoho ManageEngine products contain an unauthenticated remote code execution vulnerability due to the usage of an outdated third-party dependency, Apache Santuario.
- Vendor
- Zoho
- Product
- ManageEngine
- CVSS
- 9.8
- EPSS (exploit probability)
- 99.8%
- Status
- kevransomware use
- CISA patch-by (BOD 22-01)
- Added to KEV
Is CVE-2022-47966 being exploited?
Yes. CISA added CVE-2022-47966 to its Known Exploited Vulnerabilities catalog on . CISA only lists a CVE when it has reliable evidence of exploitation in the wild. CISA marks it as known to be used in ransomware campaigns.
FIRST's EPSS model puts the probability of exploitation activity in the next 30 days at 99.8% (scored October 14, 2026).
- CISA KEV[ LISTED ]
- ENISA EUVD (exploited)[ — ]
- CIRCL KEV[ — ]
Catalog snapshot 2026-10-21. Full cross-catalog view: /kev-comparison
What to do
CISA required actionApply updates per vendor instructions.
US federal civilian agencies must remediate by (21 days after listing) under BOD 22-01. Everyone else: that deadline is a sensible upper bound, not a target. Vendor guidance and the NVD record are linked under Source above.
Other Zoho ManageEngine CVEs we track
| CVE / Vulnerability | Severity | CVSS | EPSS | Added to KEV |
|---|---|---|---|---|
| CVE-2022-28810 Zoho ManageEngine ADSelfService Plus Remote Code Execution Vulnerability | [ MEDIUM ] | 6.8 | 71.0% | |
| CVE-2022-35405 Zoho ManageEngine Multiple Products Remote Code Execution Vulnerability | [ CRITICAL ] | 9.8 | 99.9% | |
| CVE-2021-40539 Zoho ManageEngine ADSelfService Plus Authentication Bypass Vulnerabilityransomware use | [ CRITICAL ] | 9.8 | 99.0% | |
| CVE-2020-10189 Zoho ManageEngine Desktop Central File Upload Vulnerability | [ CRITICAL ] | 9.8 | 99.9% | |
| CVE-2019-8394 Zoho ManageEngine ServiceDesk Plus (SDP) File Upload Vulnerability | [ MEDIUM ] | 6.5 | 63.3% |