Home/CVE/Zoho ManageEngine Desktop Central File Upload Vulnerability
CVE

CVE-2020-10189

Zoho ManageEngine Desktop Central File Upload Vulnerability

Zoho ManageEngine Desktop Central before 10.0.474 allows remote code execution because of deserialization of untrusted data in getChartImage in the FileStorage class. This is related to the CewolfServlet and MDMLogUploaderServlet servlets.

CRITICAL · CVSS 9.8 ⚠ CISA KEV EPSS 0.94248
Act now
  • Listed on CISA KEV (known exploited in the wild)
  • SSVC exploitation status: active
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 0% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules10 YARA rules0
⬢

Required Remediation

Apply updates per vendor instructions.

◆

Threat Actors Linked

1
actorAPT41
⬡

Weakness Classification

CWE-502Deserialization of Untrusted Data
CWE-502Deserialization of Untrusted Data
▤

Affected Products & Versions

1
zohocorp manageengine desktop central< 10.0.479
⚠

Public Exploits & PoCs

5
remoteManageEngine Desktop Central - Java Deserialization (Metasploit)verified
nucleiManageEngine Desktop Central Java Deserializationcritical
pocpacketstormsecurity.com · ManageEngine-Desktop-Central-Java-Deserialization.htmlpacketstormsecurity.com
pocsrcincite.io · src-2020-0011srcincite.io
pocsrcincite.io · src-2020-0011.py.txtsrcincite.io
◈

Detection Rules (IDS/IPS)

1
et-openET EXPLOIT Zoho ManageEngine Desktop Central RCE Inbound (CVE-2020-10189)attempted-admin
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
◈

Sigma Hunt Rules

10
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
relatedcriticalAntivirus Password Dumper Detection
relatedcriticalHacktool Execution - Imphash
relatedcriticalHackTool - Rubeus Execution
relatedcriticalPotential Credential Dumping Via LSASS Process Clone
relatedcriticalWCE wceaux.dll Access
relatedcriticalHackTool - Dumpert Process Dumper Default File
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD06 Mar 2020 · 05:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
active
Automatable
yes
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
cisaKEV-CVE-2020-10189
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://cwe.mitre.org/data/definitions/502.htmlThird Party Advisory
https://www.manageengine.com/products/desktop-central/remote-code-execution-vulnerability.htmlVendor Advisory
https://www.zdnet.com/article/zoho-zero-day-published-on-twitter/Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-10189US Government Resource
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