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CVE Record

CVE-2016-2021: HPE Systems Insight Manager (SIM) before 7.5.1 allows remote authenticated users to obtain sensitive inform...

HPE Systems Insight Manager (SIM) before 7.5.1 allows remote authenticated users to obtain sensitive information or modify data via unspecified vectors, a different vulnerability than CVE-2016-2017, CVE-2016-2019, CVE-2016-2020, CVE-2016-2022, and CVE-2016-2030.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2016-2021 affects HPE Systems Insight Manager before 7.5.1. A remote authenticated user may be able to access sensitive information or modify data. The public record does not provide CVSS, CWE, or technical vector details, so urgency depends on whether legacy SIM is still deployed and who can authenticate to it.

Executive priority

Treat this as a legacy management-platform exposure item. It is not KEV-listed and lacks severity scoring, but SIM can hold operationally sensitive infrastructure data. Prioritize inventory and remediation where SIM remains in use, especially in privileged management environments.

Technical view

The CVE describes unspecified vectors in HPE Systems Insight Manager versions before 7.5.1 that allow remote authenticated users to obtain sensitive information or modify data. It is distinct from related 2016 SIM CVEs. No exploit mechanics, CVSS metrics, CWE mapping, or affected CPEs are provided in the supplied sources.

Likely exposure

Exposure is most likely in environments still running HPE Systems Insight Manager before 7.5.1, especially where SIM is reachable by many administrators, operators, or integrated service accounts. The source bundle does not identify affected platforms, configurations, or internet exposure conditions.

Exploitation context

The supplied sources do not show known active exploitation, and CISA KEV status is false. The issue requires authentication according to the CVE description. Public details are too limited to judge exploit maturity or practical attack paths.

Researcher notes

The record is sparse: vectors are unspecified, no CVSS or CWE is provided, and affected CPEs are absent. Analysis should avoid assuming exploit paths. Focus validation on version exposure, authentication boundaries, role permissions, and vendor advisory content.

Mitigation direction

  • Inventory HPE Systems Insight Manager deployments and identify versions below 7.5.1.
  • Review the linked HPE advisories for vendor-confirmed update and mitigation guidance.
  • Upgrade or remediate affected SIM instances according to HPE guidance.
  • Restrict SIM access to trusted administrative users and management networks.
  • Review SIM user accounts, roles, and service-account access for least privilege.

Validation and detection

  • Confirm whether HPE Systems Insight Manager is deployed in the environment.
  • Record installed SIM versions and flag any below 7.5.1.
  • Check whether SIM is reachable from non-management networks or untrusted segments.
  • Review authentication logs for unusual SIM access by valid accounts.
  • Verify remediation against HPE advisory guidance after any upgrade or configuration change.
Prepared
Confidence
medium
Sources
5

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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CVE-2016-2021 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
4Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.