Cyber Resilience

CVE-2021-42956

HighPublic PoCLPE

Published: 17 November 2021

Published
17 November 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0016 36.3th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-42956 is a high-severity Improper Privilege Management (CWE-269) vulnerability in Zoho Manageengine Remote Access Plus Server. Its CVSS base score is 7.8 (High).

Operationally, ranked at the 36.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

Zoho Remote Access Plus Server Windows Desktop Binary fixed in 10.1.2132.6 is affected by a sensitive information disclosure vulnerability. Due to improper privilege management, the process launches as the logged in user, so memory dump can be done by non-admin…

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also. Remotely, an attacker can dump all sensitive information including DB Connection string, entire IT infrastructure details, commands executed by IT admin including credentials, secrets, private keys and more.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

zoho
manageengine remote access plus server
≤ 10.1.2132.6

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-269

Policy addresses roles, responsibilities, and privilege management to prevent improper privilege assignments.

addresses: CWE-269

Access supervision ensures privileges are assigned and managed without improper escalation or retention.

addresses: CWE-269

Assigning group/role memberships and access authorizations (privileges) while reviewing accounts addresses improper privilege management.

addresses: CWE-269

Enforces proper privilege management by requiring all decisions through the verified reference monitor.

addresses: CWE-269

By mandating division of duties across roles, the control enforces proper privilege management and prevents a single entity from controlling an entire sensitive process.

addresses: CWE-269

Implements core proper privilege management by restricting to only required rights.

addresses: CWE-269

Policy requires training on privilege management and least privilege, making it harder to exploit improper privilege management weaknesses.

addresses: CWE-269

Training covers proper privilege management practices, making incorrect privilege assignments less likely.

References