Security readout for executives and security teams
Plain-English summary
CVE-2022-21240 is a local information disclosure flaw in some Intel PROSet/Wireless WiFi products. An attacker already holding high local privileges could read memory outside expected bounds. Business risk is limited by the high privilege requirement, but exposed endpoints should still be tracked and remediated through Intel guidance.
Executive priority
Treat as routine but required endpoint hygiene. It is not an internet-facing emergency based on provided evidence, but it can increase data exposure after local compromise.
Technical view
The issue is CWE-125 out-of-bounds read in Intel PROSet/Wireless WiFi products. CVSS 3.1 is 4.4: local attack vector, low complexity, high privileges required, no user interaction, unchanged scope, high confidentiality impact, no integrity or availability impact.
Likely exposure
Exposure is most likely on Windows endpoints using affected Intel PROSet/Wireless WiFi software or drivers. The source bundle does not list exact affected versions, so version matching requires Intel advisory INTEL-SA-00621.
Exploitation context
Provided sources do not show CISA KEV listing or other evidence of active exploitation. Exploitation requires local access and high privileges, making this more relevant to post-compromise data exposure than initial intrusion.
Researcher notes
Key gaps are the affected version list and Intel's exact remediation text, which are referenced but not included in the bundle. Avoid assuming exploit availability or patch mechanics beyond vendor guidance.
Mitigation direction
- Inventory systems for Intel PROSet/Wireless WiFi software and drivers.
- Check Intel advisory INTEL-SA-00621 for affected versions and vendor guidance.
- Update affected software or drivers according to Intel's published instructions.
- Limit local administrator access on endpoints where possible.
- Prioritize shared, high-value, or regulated-data endpoints first.
Validation and detection
- Compare installed Intel WiFi software and driver versions against INTEL-SA-00621.
- Confirm endpoint management tools report remediation status accurately.
- Review local administrator group membership on exposed endpoints.
- Check whether affected systems handle sensitive data.
- Monitor for unusual privileged local access on relevant endpoints.
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-2022-21240 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
- 4.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/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:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N0.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.4MediumVector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00621.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.