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CVE-2025-20037

ROUTINE

Telemetry drift only. No threshold crossed and no authority ruling changed.

CVE record, CISA KEV and EPSS as of 2026-10-18.

CVEs like this one computed, by meaning

What to do now held facts and links

  1. No fix version is held. The CNA's first reference is the place to look: intel.com
  2. Record your decision, dated and frozen with today's evidence: patch by a date · mitigated by a compensating control · deferred · accepted the risk · not affected
  3. Check your version against the ranges this record publishes.

What it is stated by the CNA

Time-of-check time-of-use race condition in firmware for some Intel(R) Converged Security and Management Engine may allow a privileged user to potentially enable escalation of privilege via local access.

weakness
Escalation of Privilege; CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition
affected
n/a Intel(R) Converged Security and Management Engine
versions
No affected-version range in held sources.
fixed in
No fix version in held sources.
severity
6.8 CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:H
assigned by
intel
published
2025-08-12

check us intel.com

Exploit code held, dated

exploit code
None held in the PoC-in-GitHub feed. A public repository changes this brief.

What moved held, dated

dateEPSSevent
13 Aug 20250.00011
18 Aug 20250.00014
13 Sep 20250.00015
19 Oct 20250.00014
12 Dec 20250.00018
8 Jan 20260.00009
20 Jan 20260.0001
8 Mar 20260.00011
28 Apr 20260.00013
8 May 20260.00015
8 Jun 20260.00051
15 Jun 20260.0009scoring model v2026.06.15
13 Jul 20260.00096
23 Jul 20260.00095

14 observations held. A step marked with a scoring model moved because the measurement was replaced, not because the vulnerability changed.

Outside the record researched, cited

This section reads the record's references and adds cited findings from outside it. It needs an account. Everything above is held facts and is complete without it.

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What would change this brief held, dated

CISA KEV
Not listed in the catalogue we hold. A listing changes this brief.
exploit probability
0.00 on 2026-07-23 (FIRST's EPSS, a probability and not evidence of exploitation). Next band line: 10% (0.10). Crossing a line changes this brief.
fix
No fix version is held. One published by the CNA or OSV changes this brief.

Watch this CVE What counts as a move

How to check this

Every value above is held with two dates: when it was true upstream (as_of) and when we recorded it (tx_from). Re-derive the exploit probability as it stood on any date:

SELECT value, source, source_version, as_of, tx_from
FROM volatile_valid_as_of('CVE-2025-20037', '2026-10-29T23:59:59.999999Z', now());