CVE-2025-54305: An issue was discovered in the Thermo Fisher Torrent Suite Django application 5.18.1

Routine

HIGH 7.8DOWNGRADE

CVE-2025-54305 is a high-severity flaw (CVSS 7.8) affecting torrent suite software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in the Thermo Fisher Torrent Suite Django application 5.18.1. One of the middlewares included in this application, LocalhostAuthMiddleware, authenticates users as ionadmin if the REMOTE_ADDR property in request.META is set to 127.0.0.1, to 127.0.1.1, or to ::1. Any user with local access to the server may bypass authentication.

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 96%)
CISA exploited list	No
Weakness	CWE-290
Published	2025-12-04
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: thermofisher

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-04 15:15 UTCPublished CVE record published
2026-06-17 09:39 UTCUpdated Record last modified

thermofisher torrent suite software DOWNGRADE

Affected: 5.18.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.18.1

1. Check installed version

apt-cache policy torrent-suite-software || rpm -q torrent-suite-software || torrent-suite-software --version

2. No fixed release: DOWNGRADE to a release before 5.18.1 (Debian / Ubuntu)

apt-cache madison torrent-suite-software sudo apt install torrent-suite-software=<VERSION_BEFORE_5.18.1> sudo apt-mark hold torrent-suite-software

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list torrent-suite-software sudo dnf downgrade torrent-suite-software-<VERSION_BEFORE_5.18.1> sudo dnf versionlock add torrent-suite-software

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-54305?

torrent suite software: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-54305 being exploited?

CVE-2025-54305 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-54305 affect?

CVE-2025-54305 affects torrent suite software. Severity is high (CVSS 7.8). An issue was discovered in the Thermo Fisher Torrent Suite Django application 5.18.1. One of the middlewares included in this application, LocalhostAuthMiddleware, authenticates users as ionadmin if the REMOTE_ADDR property in request.META

How urgent is CVE-2025-54305?

Priority 28/100. High severity

Software pages

Django vulnerabilities

Related CVEs

CVE-2025-54307 HIGH 8.8 DOWNGRADE An issue was discovered in the Thermo Fisher Torrent Suite Django application 5.18.1
CVE-2025-54306 HIGH 7.2 DOWNGRADE An issue was discovered in the Thermo Fisher Torrent Suite Django application 5.18.1
CVE-2025-54303 CRITICAL 9.8 DOWNGRADE The Thermo Fisher Torrent Suite Django application 5.18.1 has weak default credentials, which are stored as fi

References

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