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CVE Record

CVE-2021-0133: Key exchange without entity authentication in the Intel(R) Security Library before version 3.3 may allow an...

Key exchange without entity authentication in the Intel(R) Security Library before version 3.3 may allow an authenticated user to potentially enable escalation of privilege via network access.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

Intel Security Library versions before 3.3 have a key exchange weakness that can let an authenticated network user potentially gain higher privileges. The public bundle does not provide severity scoring, affected downstream products, or evidence of exploitation.

Executive priority

Treat this as a dependency exposure that needs inventory and vendor-guided remediation. Urgency is limited by sparse public evidence, but privilege escalation risk justifies prompt validation in environments using Intel Security Library.

Technical view

The issue is key exchange without entity authentication in Intel(R) Security Library before version 3.3. The CVE describes potential escalation of privilege by an authenticated user over network access. No CVSS vector, CWE, or detailed attack surface is provided in the supplied sources.

Likely exposure

Exposure is most likely where software or systems use Intel(R) Security Library before version 3.3 and expose reachable network functionality to authenticated users. The supplied sources do not identify specific downstream products or deployment patterns.

Exploitation context

No supplied source states active exploitation, and the CVE is not marked KEV. The only described prerequisite is an authenticated user with network access; practical exploitability cannot be assessed from the bundle alone.

Researcher notes

Focus on version confirmation and reachability. The bundle lacks CVSS, CWE, exploit detail, and downstream product mapping, so avoid assuming severity beyond authenticated network-based privilege escalation potential.

Mitigation direction

  • Inventory products and internal software using Intel(R) Security Library.
  • Confirm whether any deployed version is before 3.3.
  • Review Intel SA-00521 for vendor remediation guidance.
  • Upgrade to version 3.3 or later where applicable.
  • Limit network access to affected services until remediated.

Validation and detection

  • Check SBOMs, package manifests, and vendor notices for Intel Security Library usage.
  • Verify deployed library versions are 3.3 or later.
  • Identify network-reachable services that depend on the library.
  • Confirm authenticated access paths are restricted to trusted users.
  • Track remediation evidence against Intel SA-00521.
Prepared
Confidence
medium
Sources
3

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-2021-0133 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
2Source links

CVSS and timeline data

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

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/aIntel(R) Security Librarybefore version 3.3Listed
Weakness

CWE details

No CWE listed

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