Security readout for executives and security teams
Plain-English summary
CVE-2021-36350 affects Dell PowerScale OneFS storage systems. A remote unauthenticated attacker may be able to bypass one authentication factor. The public record rates it medium severity, with high attack complexity and high integrity impact. No active exploitation is indicated in the provided sources.
Executive priority
Treat this as a moderate-priority storage security issue. It is not supported as actively exploited, but remote unauthenticated authentication bypass affecting PowerScale infrastructure warrants prompt inventory, vendor-guidance review, and planned remediation.
Technical view
Dell PowerScale OneFS versions 8.2.2 through 9.3.0.x contain an authentication bypass weakness in one authentication factor. CVSS 3.1 is 5.9: network attack vector, high complexity, no privileges or user interaction, unchanged scope, no confidentiality or availability impact, and high integrity impact.
Likely exposure
Exposure is limited to organizations running affected Dell PowerScale OneFS versions. Risk is higher where OneFS authentication interfaces are reachable from untrusted networks. The provided sources do not identify a specific endpoint, configuration dependency, or affected deployment pattern.
Exploitation context
The CVE is not listed as KEV in the supplied bundle, and no cited source claims active exploitation. Public evidence only supports potential remote unauthenticated exploitation with high attack complexity. No exploit details should be inferred from the record.
Researcher notes
The source bundle lacks CWE mapping, endpoint detail, exploit prerequisites beyond high complexity, and fixed-version specifics. Analysis should remain constrained to the CVE description, CVSS vector, affected OneFS range, Dell advisory reference, and absence of KEV evidence.
Mitigation direction
- Inventory Dell PowerScale OneFS clusters and record exact versions.
- Review Dell advisory 000194157 for vendor-confirmed remediation guidance.
- Apply Dell-recommended updates or workarounds after operational testing.
- Limit access to OneFS authentication interfaces to trusted administrative networks.
- Monitor authentication and administrative activity for unexpected integrity-impacting changes.
Validation and detection
- Compare installed OneFS versions against affected range 8.2.2 through 9.3.0.x.
- Confirm whether Dell advisory 000194157 applies to each cluster.
- Verify remediation status through version checks and change records.
- Review logs for unusual authentication attempts or unauthorized configuration changes.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
Credential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-36350 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.9 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
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.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N2.23.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.9MediumVector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.dell.com/support/kbdoc/000194157CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.