Vulnerability Database

383,463

Total vulnerabilities in the database

CVE-2021-31159 — zohocorp / manageengine_servicedesk_plus_msp

Generation of Error Message Containing Sensitive Information

Zoho ManageEngine ServiceDesk Plus MSP before 10519 is vulnerable to a User Enumeration bug due to improper error-message generation in the Forgot Password functionality, aka SDPMSP-15732.

  • Published: Jun 16, 2021
  • Updated: Sep 14, 2026
  • CVE: CVE-2021-31159
  • Severity: Medium
  • Exploit:
  • CISA KEV:

CVSS v3:

  • Severity: Medium
  • Score: 5.3
  • AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CVSS v2:

  • Severity: Medium
  • Score: 5
  • AV:N/AC:L/Au:N/C:P/I:N/A:N
Software Affected versions
zohocorp / manageengine_servicedesk_plus_msp >= 8.0, <= 9.4
zohocorp / manageengine_servicedesk_plus_msp = 10.5-10500
zohocorp / manageengine_servicedesk_plus_msp = 10.5-10501
zohocorp / manageengine_servicedesk_plus_msp = 10.5-10502
zohocorp / manageengine_servicedesk_plus_msp = 10.5-10503
zohocorp / manageengine_servicedesk_plus_msp = 10.5-10504
zohocorp / manageengine_servicedesk_plus_msp = 10.5-10505
zohocorp / manageengine_servicedesk_plus_msp = 10.5-10506
zohocorp / manageengine_servicedesk_plus_msp = 10.5-10507
zohocorp / manageengine_servicedesk_plus_msp = 10.5-10508
zohocorp / manageengine_servicedesk_plus_msp = 10.5-10509
zohocorp / manageengine_servicedesk_plus_msp = 10.5-10510
zohocorp / manageengine_servicedesk_plus_msp = 10.5-10511
zohocorp / manageengine_servicedesk_plus_msp = 10.5-10512
zohocorp / manageengine_servicedesk_plus_msp = 10.5-10513
zohocorp / manageengine_servicedesk_plus_msp = 10.5-10514
zohocorp / manageengine_servicedesk_plus_msp = 10.5-10515
zohocorp / manageengine_servicedesk_plus_msp = 10.5-10516
zohocorp / manageengine_servicedesk_plus_msp = 10.5-10517
zohocorp / manageengine_servicedesk_plus_msp = 10.5-10518
zohocorp / manageengine_servicedesk_plus_msp = 10.5-8000
zohocorp / manageengine_servicedesk_plus_msp = 10.5-8001
zohocorp / manageengine_servicedesk_plus_msp = 10.5-8002
zohocorp / manageengine_servicedesk_plus_msp = 10.5-8003
zohocorp / manageengine_servicedesk_plus_msp = 10.5-8004
zohocorp / manageengine_servicedesk_plus_msp = 10.5-8100
zohocorp / manageengine_servicedesk_plus_msp = 10.5-8101
zohocorp / manageengine_servicedesk_plus_msp = 10.5-8102
zohocorp / manageengine_servicedesk_plus_msp = 10.5-8103
zohocorp / manageengine_servicedesk_plus_msp = 10.5-8104
zohocorp / manageengine_servicedesk_plus_msp = 10.5-8105
zohocorp / manageengine_servicedesk_plus_msp = 10.5-8200
zohocorp / manageengine_servicedesk_plus_msp = 10.5-8201
zohocorp / manageengine_servicedesk_plus_msp = 10.5-8202
zohocorp / manageengine_servicedesk_plus_msp = 10.5-8203
zohocorp / manageengine_servicedesk_plus_msp = 10.5-8204
zohocorp / manageengine_servicedesk_plus_msp = 10.5-8205
zohocorp / manageengine_servicedesk_plus_msp = 10.5-8206
zohocorp / manageengine_servicedesk_plus_msp = 10.5-8207
zohocorp / manageengine_servicedesk_plus_msp = 10.5-8208
zohocorp / manageengine_servicedesk_plus_msp = 10.5-8209
zohocorp / manageengine_servicedesk_plus_msp = 10.5-8210
zohocorp / manageengine_servicedesk_plus_msp = 10.5-8211
zohocorp / manageengine_servicedesk_plus_msp = 10.5-8300
zohocorp / manageengine_servicedesk_plus_msp = 10.5-8301
zohocorp / manageengine_servicedesk_plus_msp = 10.5-8302
zohocorp / manageengine_servicedesk_plus_msp = 10.5-8303
zohocorp / manageengine_servicedesk_plus_msp = 10.5-8304
zohocorp / manageengine_servicedesk_plus_msp = 10.5-8305
zohocorp / manageengine_servicedesk_plus_msp = 10.5-8306
zohocorp / manageengine_servicedesk_plus_msp = 10.5-8307
zohocorp / manageengine_servicedesk_plus_msp = 10.5-8308
zohocorp / manageengine_servicedesk_plus_msp = 10.5-8309
zohocorp / manageengine_servicedesk_plus_msp = 10.5-8310
zohocorp / manageengine_servicedesk_plus_msp = 10.5-8311
zohocorp / manageengine_servicedesk_plus_msp = 10.5-8312
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9000
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9001
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9002
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9003
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9004
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9005
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9006
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9007
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9008
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9009
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9201
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9203
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9204
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9205
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9206
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9207
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9208
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9209
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9210
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9300
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9301
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9302
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9303
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9304
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9305
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9306
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9307
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9308
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9400
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9401
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9402
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9403
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9404
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9405
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9406
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9407
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9408
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9409
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9410
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9411
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9412
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9413
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9414
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9415
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9416
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9417
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9418
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9419
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9420
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9421
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9422
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9423
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9424
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9425
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9426
zohocorp / manageengine_servicedesk_plus_msp = 10.5-9427

Frequently Asked Questions

A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.

CVSS (Common Vulnerability Scoring System) estimates technical severity, but it doesn't automatically equal business risk. Prioritize using context like internet exposure, affected asset criticality, known exploitation (proof-of-concept or in-the-wild), and whether compensating controls exist. A "Medium" CVSS on an exposed, production system can be more urgent than a "Critical" on an isolated, non-production host.

A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. In practice, risk increases sharply when exploitation becomes reliable or widespread.

Recurring findings usually come from incomplete Asset Discovery, inconsistent patch management, inherited images, and configuration drift. In modern environments, you also need to watch the software supply chain: dependencies, containers, build pipelines, and third-party services can reintroduce the same weakness even after you patch a single host. Unknown or unmanaged assets (often called Shadow IT) are a common reason the same issues resurface.

Use a simple, repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress using consistent metrics so remediation is steady, not reactive.

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