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CVE Record

CVE-2025-13609: Keylime: keylime: registrar allows identity takeover via duplicate uuid registration

A vulnerability has been identified in keylime where an attacker can exploit this flaw by registering a new agent using a different Trusted Platform Module (TPM) device but claiming an existing agent's unique identifier (UUID). This action overwrites the legitimate agent's identity, enabling the attacker to impersonate the compromised agent and potentially bypass security controls.

HighCVSS 8.2Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

Keylime can let a highly privileged attacker register a different TPM-backed agent while claiming an existing agent UUID. That can replace the legitimate agent identity, allowing impersonation and possible bypass of attestation-based trust decisions.

Executive priority

Treat as high priority where Keylime supports platform trust, compliance, or workload admission decisions. The main risk is not data theft alone; it is false trust in an impersonating system.

Technical view

The registrar accepts duplicate UUID registration in a way that can overwrite an existing agent identity. Red Hat rates this high, CVSS 8.2, with network access, low complexity, high privileges, no user interaction, and changed scope.

Likely exposure

Exposure is most likely in environments running affected Red Hat keylime packages on RHEL 9, RHEL 10, and listed EUS/E4S streams where Keylime registrar enrollment is reachable to privileged actors.

Exploitation context

The bundle does not show KEV listing or confirmed active exploitation. Exploitation requires high privileges and the ability to register an agent, but impact is significant because it targets identity and trust enforcement.

Researcher notes

Evidence identifies duplicate UUID handling in Keylime registrar as the core flaw. The bundle does not provide exploit proof, patch diff details, or a universal upstream version range, so validation should stay tied to vendor advisories.

Mitigation direction

  • Review the relevant Red Hat errata for your RHEL stream.
  • Apply vendor-provided keylime updates where available.
  • Limit registrar access to authorized enrollment paths only.
  • Monitor for duplicate UUID registrations or unexpected agent replacement.
  • Check Keylime project issue and Red Hat CVE page for updated guidance.

Validation and detection

  • Inventory systems running keylime on affected Red Hat products.
  • Confirm installed keylime package versions against Red Hat advisories.
  • Review registrar logs for duplicate UUID enrollment events.
  • Verify agent UUIDs map to expected TPM identities.
  • Test fixes in staging before production rollout.
Prepared
Confidence
high
Sources
11

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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

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cwe · low confidence lookup

CWE-694: Exact CWE lookup

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cve · low confidence lookup

CVE-2025-13609 mapping review

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Vulnerability profileCVE Program record
Severity
High
CVSS
8.2 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:L

Official CVE source material

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.

1CVSS vectors
5Timeline events
1ADP providers
10Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical Impact: partial

CVSS vector scores

1 official score

We 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.

ScoreVersionSeverityVectorExploitImpactSource
8.2CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:L2.35.3redhat

Vulnerability scoring details

Base CVSS 3.1 score

8.2High
CVSS 3.1 vector shape for CVE-2025-13609Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:L

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. Source timelineredhat

    Reported to Red Hat.

  2. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  3. Source timelineredhat

    Made public.

  4. CVE publishedCVE Program

    The CVE record was published.

  5. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
other:ssvc

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
Keylime Projectkeylimekeylime, 0unaffected
Red HatRed Hat Enterprise Linux 10keylime, 0:7.12.1-11.el10_1.3affected
Red HatRed Hat Enterprise Linux 10.0 Extended Update Supportkeylime, 0:7.12.1-2.el10_0.4affected
Red HatRed Hat Enterprise Linux 9keylime, 0:7.12.1-11.el9_7.3affected
Red HatRed Hat Enterprise Linux 9.2 Update Services for SAP Solutionskeylime, 0:6.5.2-6.el9_2.1affected
Red HatRed Hat Enterprise Linux 9.4 Extended Update Supportkeylime, 0:7.3.0-13.el9_4.1affected
Red HatRed Hat Enterprise Linux 9.6 Extended Update Supportkeylime, 0:7.3.0-15.el9_6.1affected
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-694 · source CWE mapping

Use of Multiple Resources with Duplicate Identifier

Use of Multiple Resources with Duplicate Identifier represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.