CVE-2025-54603Network attack vector

Authentication bypass via incorrect OIDC flow

Published Oct 14, 2025 · Updated Oct 14, 2025

Authentication bypass in Claroty Secure Access 3.3.0 through 4.0.2 allows remote attackers to impersonate existing OIDC users over the network. Public disclosures locate the flaw in the OIDC authentication flow but do not identify the validation step or token field handled incorrectly. Exposure requires an on-premise deployment configured with OIDC currently or previously; exploitation also permits unauthorized account creation and, in certain configurations, Administrator-group membership.

CVSS severity6.5
Medium
EPSS probability0.75%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authentication bypass in Claroty Secure Access 3.3.0 through 4.0.2 allows remote attackers to impersonate existing OIDC users over the network. Public disclosures locate the flaw in the OIDC authentication flow but do not identify the validation step or token field handled incorrectly. Exposure requires an on-premise deployment configured with OIDC currently or previously; exploitation also permits unauthorized account creation and, in certain configurations, Administrator-group membership.

The record

CVE
CVE-2025-54603
Published
Oct 14, 2025
Updated
Oct 14, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-284, T1136, T1078
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 14, 2025CVE publishedPublication date reported by the CVE source.
  2. Oct 14, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

6.5CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-284Improper Access Control
T1136Create Account
T1078Valid Accounts

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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