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Findings

Vulnerability · CVE-2025-20083

Improper authentication in the firmware for the Intel(R) Slim Bootloader may allow a privileged user to potentially enable escalation of privilege via local access.

Published May 13, 2025 · corrected/updated Feb 26, 2026 · n/a Intel(R) Slim Bootloader · evidence confidence high

Improper authentication in the firmware for the Intel(R) Slim Bootloader may allow a privileged user to potentially enable escalation of privilege via local access.

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

CVE-2025-20083 is a high public vulnerability record for n/a Intel(R) Slim Bootloader. It is not currently listed in the CISA Known Exploited catalog. Check the linked vendor or CERT advisories for patch status. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether n/a Intel(R) Slim Bootloader is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: n/a Intel(R) Slim Bootloader See references (See references). Check the linked vendor or CERT advisories for patch status. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: CVSS 7.1 (technical impact); EPSS 16.0% (30-day exploitation probability). It is not currently listed in the CISA Known Exploited catalog. Sources contributing to this record: cve_org, euvd. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

  • Exploitation evidence

    Not listed as known exploited in CISA KEV. Not in CISA KEV or VulnCheck KEV.

  • Patch and remediation

    A patch or advisory reference is linked. Open the original publisher for availability by product version.

  • Safe detection guidance

    Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 13, 2025 · EUVD

    Detected

    Improper authentication in the firmware for the Intel(R) Slim Bootloader may allow a privileged user to potentially enable escalation of privilege via local access.

  2. Feb 26, 2026 · EUVD

    Updated

    Improper authentication in the firmware for the Intel(R) Slim Bootloader may allow a privileged user to potentially enable escalation of privilege via local access.

Affected

  • vendor n/a Intel(R) Slim Bootloader See referencesSee references

Sources

  • CVE.orgVulnerability recordCVE-2025-20083

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2025-14567

    Improper authentication in the firmware for the Intel(R) Slim Bootloader may allow a privileged user to potentially enable escalation of privilege via local access.

    euvd.enisa.europa.eu

References