CVE-2021-31530Network attack vector

Unauthenticated disclosure of sensitive data

Published Jun 29, 2021 · Updated May 30, 2025

Information disclosure in Zoho ManageEngine ServiceDesk Plus MSP before 10522 allows remote attackers to read sensitive data. The published advisory and vendor release notes do not identify the affected endpoint or the operation that exposes the data. The exact data exposed is unpublished; no authentication or user interaction is required, and no modification or interruption is documented.

CVSS severity7.5
High
EPSS probability2.78%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in Zoho ManageEngine ServiceDesk Plus MSP before 10522 allows remote attackers to read sensitive data. The published advisory and vendor release notes do not identify the affected endpoint or the operation that exposes the data. The exact data exposed is unpublished; no authentication or user interaction is required, and no modification or interruption is documented.

The record

CVE
CVE-2021-31530
Published
Jun 29, 2021
Updated
May 30, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
Unavailable
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 29, 2021CVE publishedPublication date reported by the CVE source.
  2. May 30, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

5.0NIST NVDAV:N/AC:L/Au:N/C:P/I:N/A:N
7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

No sourced classifications are available.

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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