Security readout for executives and security teams
Plain-English summary
CVE-2020-24489 is a local privilege escalation issue in some Intel VT-d products. The source describes incomplete cleanup that could let an authenticated local user gain higher privileges. The provided data does not include CVSS, broad product details, or active exploitation evidence.
Executive priority
Treat this as a platform maintenance and hardening item, not an internet-facing emergency based on the provided evidence. Prioritize shared infrastructure because local privilege escalation can worsen insider, malware, or tenant-isolation failures.
Technical view
The flaw is described as incomplete cleanup in some Intel VT-d products, reachable by an authenticated user with local access. Debian references classify the response as intel-microcode security updates, but the source bundle does not provide affected CPU lists, exact fixed versions, or exploit mechanics.
Likely exposure
Systems using affected Intel VT-d hardware or firmware are the relevant exposure. Priority is higher for shared servers, virtualization hosts, and systems where untrusted local users can run code.
Exploitation context
The source bundle supports local authenticated escalation of privilege only. It does not support remote exploitation, unauthenticated exploitation, or confirmed active exploitation; KEV status is false.
Researcher notes
Evidence is sparse in the bundle: no CVSS, CWE, exact CPEs, or fixed version matrix are provided. Analysis should anchor on Intel SA-00442 and distribution microcode advisories, avoiding assumptions about exploitability beyond local authenticated privilege escalation.
Mitigation direction
- Review Intel SA-00442 for affected product and update guidance.
- Apply vendor BIOS, firmware, or microcode updates where applicable.
- Use Debian DSA-4934 or DLA-2718-1 guidance for Debian systems.
- Prioritize multi-user and virtualization hosts first.
Validation and detection
- Inventory systems using Intel VT-d capabilities.
- Compare hardware and firmware against Intel SA-00442 guidance.
- Confirm OS microcode packages or platform firmware were updated.
- Check vulnerability management records for CVE-2020-24489 coverage.
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-2020-24489 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-00442.htmlCVE reference · x_refsource_MISC
- DSA-4934CVE reference · vendor-advisory, x_refsource_DEBIAN
- [debian-lts-announce] 20210726 [SECURITY] [DLA 2718-1] intel-microcode security updateCVE reference · mailing-list, x_refsource_MLIST
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.