Vulnerability Database

325,773

Total vulnerabilities in the database

CVE-2021-31159

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: Nov 16, 2025
  • CVE: CVE-2021-31159
  • Severity: Medium
  • Exploit:

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

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.

SynScan combines attack surface monitoring and continuous security auditing to keep your inventory current, flag high-impact vulnerabilities early, and help you turn raw findings into a practical remediation plan.