Security readout for executives and security teams
Plain-English summary
This issue affects Intel Security Library before version 3.3. A weak random-number generator in an API could let an authenticated network user disclose information. The source bundle does not provide CVSS, detailed impact scope, or product integration details.
Executive priority
Treat as a targeted dependency exposure issue. Verify whether the library is present, then patch exposed systems. Urgency rises if the affected library supports externally reachable authenticated services.
Technical view
CVE-2021-0131 is a cryptographically weak PRNG issue in an Intel Security Library API before 3.3. The CVE states potential information disclosure requiring authenticated network access. No CWE, CVSS vector, exploit detail, or affected downstream products are provided in the bundle.
Likely exposure
Exposure is likely limited to systems or applications that include Intel Security Library before 3.3 and expose affected API behavior over a network to authenticated users.
Exploitation context
The bundle does not show CISA KEV listing or cited evidence of active exploitation. The CVE describes an authenticated network attacker and potential information disclosure, but gives no exploit maturity details.
Researcher notes
Available evidence is sparse. The core questions are whether the weak PRNG influences secrets, identifiers, or protocol state in deployed applications, and whether authenticated network users can observe resulting information disclosure.
Mitigation direction
- Upgrade Intel Security Library to version 3.3 or later where present.
- Review Intel advisory INTEL-SA-00521 for platform-specific update guidance.
- Limit network exposure to services using the affected API until updated.
- Prioritize remediation where authenticated users cross trust boundaries.
Validation and detection
- Search SBOMs and build manifests for Intel Security Library versions before 3.3.
- Map services exposing affected functionality over a network.
- Confirm whether authenticated users can reach those services.
- Check vendor guidance for any additional affected components.
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.
CVE-2021-0131 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00521.htmlCVE 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.