CVE-2025-54305

Local authentication bypass via loopback address trust

Published Dec 4, 2025 · Updated Dec 5, 2025

Authentication bypass in Thermo Fisher Torrent Suite 5.18.1 allows local users to gain ionadmin access through a crafted request. LocalhostAuthMiddleware treats request.META REMOTE_ADDR values 127.0.0.1, 127.0.1.1, or ::1 as proof that the requester is ionadmin. Local server access is required; successful exploitation grants the application privileges assigned to ionadmin without valid credentials.

CVSS severity7.8
High
EPSS probability0.15%
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 Thermo Fisher Torrent Suite 5.18.1 allows local users to gain ionadmin access through a crafted request. LocalhostAuthMiddleware treats request.META REMOTE_ADDR values 127.0.0.1, 127.0.1.1, or ::1 as proof that the requester is ionadmin. Local server access is required; successful exploitation grants the application privileges assigned to ionadmin without valid credentials.

The record

CVE
CVE-2025-54305
Published
Dec 4, 2025
Updated
Dec 5, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-290, T1068
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Dec 4, 2025CVE publishedPublication date reported by the CVE source.
  2. Dec 5, 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 vectorlocal
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

7.8CISA-ADPCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-290Authentication Bypass by Spoofing
T1068Exploitation for Privilege Escalation

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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