Security readout for executives and security teams
Plain-English summary
This flaw affects some Intel Wireless Bluetooth and Killer Bluetooth products running firmware/software before 22.120. A local user who already has privileges could trigger an out-of-bounds read that may expose sensitive information and affect availability. It is high severity, but the source bundle shows no KEV listing or cited evidence of active exploitation.
Executive priority
Treat as a targeted endpoint remediation item, not an emergency internet-facing incident. Prioritize managed workstation patching, especially privileged-user systems, because the flaw can expose information and affect availability when a local privileged user can reach the vulnerable firmware.
Technical view
CVE-2021-23179 is a CWE-125 out-of-bounds read in firmware. CVSS 3.1 is 7.1: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H. Impact is local, low-complexity, requires low privileges, no user interaction, with high confidentiality and availability impact and no integrity impact.
Likely exposure
Organizations may be exposed where endpoints use affected Intel Wireless Bluetooth or Killer Bluetooth products with firmware/software before 22.120. Exposure is mainly local endpoint risk, not remote network exposure, based on the CVSS vector and description.
Exploitation context
The provided sources do not show active exploitation, KEV inclusion, public exploit status, or weaponized details. Successful exploitation requires local access and a privileged user, which reduces broad internet risk but matters on shared, compromised, or high-value endpoints.
Researcher notes
Evidence is limited to the CVE record and Intel advisory reference in the source bundle. The affected range is stated only as before version 22.120 for some Intel Wireless Bluetooth and Killer Bluetooth products. No exploit status, detection method, or product-level CPE list is provided.
Mitigation direction
- Update affected Intel Wireless Bluetooth and Killer Bluetooth products to version 22.120 or later.
- Review Intel advisory INTEL-SA-00628 for model-specific update guidance.
- Prioritize laptops and workstations used by administrators or high-risk personnel.
- Use normal endpoint management to confirm Bluetooth driver and firmware versions.
Validation and detection
- Inventory endpoints with Intel Wireless Bluetooth or Killer Bluetooth adapters.
- Check installed Bluetooth package or firmware version against 22.120.
- Verify update deployment completed successfully on sampled endpoints.
- Monitor vendor advisory updates for any revised affected product list or guidance.
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.
CWE-125: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2021-23179 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
- High
- CVSS
- 7.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
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:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H1.85.2Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.1HighVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00628.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.
Out-of-bounds Read
Out-of-bounds Read represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.