CVE-2025-54303: The Thermo Fisher Torrent Suite Django application 5.18.1 has weak default credentials, which are stored as fi

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CRITICAL 9.8REMOTEDOWNGRADE

CVE-2025-54303 is a critical-severity flaw (CVSS 9.8) affecting torrent suite software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Thermo Fisher Torrent Suite Django application 5.18.1 has weak default credentials, which are stored as fixtures for the Django ORM API. The ionadmin user account can be used to authenticate to default deployments with the password ionadmin. The user guide recommends changing default credentials; however, a password change policy for default administrative accounts is not enforced. Many deployments may retain default credentials, in which cas

Why this priority

Critical severity
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 67%)
CISA exploited list	No
Weakness	CWE-1392
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-2025-54303?

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

Is CVE-2025-54303 being exploited?

CVE-2025-54303 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-2025-54303 affect?

CVE-2025-54303 affects torrent suite software. Severity is critical (CVSS 9.8). The Thermo Fisher Torrent Suite Django application 5.18.1 has weak default credentials, which are stored as fixtures for the Django ORM API. The ionadmin user account can be used to authenticate to default deployments with the password iona

How urgent is CVE-2025-54303?

Priority 47/100. Critical severity; Remotely exploitable, no login, no user action

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-2025-54305 HIGH 7.8 DOWNGRADE An issue was discovered in the Thermo Fisher Torrent Suite Django application 5.18.1

References

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