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Vulnerability record · CVE-2020-8509 · published 30 March 2020

CVE-2020-8509: Zohocorp manageengine desktop central missing authentication for critical function vulnerability

Zohocorp · Manageengine Desktop Central

Zoho ManageEngine Desktop Central before 10.0.483 allows unauthenticated users to access PDFGenerationServlet, leading to sensitive information disclosure.

7.5 CVSS 3.1 High EPSS 11% · top 4.4% CWE-306 · Missing authentication for critical function
7.5CVSS 3.1 base score, v2 5.0
11%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Zoho ManageEngine Desktop Central before 10.0.483 allows unauthenticated users to access PDFGenerationServlet, leading to sensitive information disclosure.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.manageengine.com/products/desktop-central/unauthenticated-servlet-access.html Vendor Advisory
https://www.manageengine.com/products/desktop-central/unauthenticated-servlet-access.html Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2021-44515Zoho ManageEngine Desktop Central authentication bypass to RCEZoho ManageEngine Desktop Central contains an authentication bypass that allows an unauthenticated remote attacker to execute code on the server. It …KEVEPSS 100%analysed9.8CVE-2020-10189Zoho ManageEngine Desktop Central deserialization RCEZoho ManageEngine Desktop Central before 10.0.474 deserializes untrusted data in the getChartImage method of the FileStorage class, reachable through…KEVEPSS 100%analysed10.0CVE-2017-7213Zohocorp manageengine desktop central improper input validation vulnerabilityZoho ManageEngine Desktop Central before build 100082 allows remote attackers to obtain control over all connected active desktops via unspecified ve…EPSS 8.1%10.0CVE-2014-9371Zohocorp manageengine desktop central improper input validation vulnerabilityThe NativeAppServlet in ManageEngine Desktop Central MSP before 90075 allows remote attackers to execute arbitrary code via a crafted JSON object.EPSS 19%9.8CVE-2020-15588Zohocorp manageengine desktop central integer overflow vulnerabilityAn issue was discovered in the client side of Zoho ManageEngine Desktop Central 10.0.552.W. An attacker-controlled server can trigger an integer over…EPSS 13%9.8CVE-2020-8540Zohocorp manageengine desktop central xml external entity (xxe) vulnerabilityAn XML external entity (XXE) vulnerability in Zoho ManageEngine Desktop Central before the 07-Mar-2020 update allows remote unauthenticated users to …EPSS 13%9.8CVE-2013-7390ManageEngine DesktopCentral unrestricted JSP file upload RCEManageEngine DesktopCentral 7.x and 8.0.0 before build 80293 exposes AgentLogUploadServlet, which accepts uploaded files without restricting their ty…EPSS 75%analysed9.8CVE-2014-5007Zohocorp manageengine desktop central path traversal vulnerabilityDirectory traversal vulnerability in the agentLogUploader servlet in ZOHO ManageEngine Desktop Central (DC) and Desktop Central Managed Service Provi…EPSS 37%

Source: NIST National Vulnerability Database (record CVE-2020-8509), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.