CVE-2009-1619: Teraway FileStream 1.0 allows remote attackers to bypass authentication and gain administrative access by sett

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HIGH 7.5DOWNGRADE

CVE-2009-1619 is a high-severity flaw (CVSS 7.5) affecting filestream. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Teraway FileStream 1.0 allows remote attackers to bypass authentication and gain administrative access by setting the twFSadmin cookie to 1.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	2.5% (top 15%)
CISA exploited list	No
Weakness	CWE-287
Published	2009-05-12
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: teraway

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2009-05-12 16:30 UTCPublished CVE record published
2026-06-16 23:07 UTCUpdated Record last modified

teraway filestream DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy filestream || rpm -q filestream || filestream --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison filestream sudo apt install filestream=<VERSION_BEFORE_1.0> sudo apt-mark hold filestream

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

dnf --showduplicates list filestream sudo dnf downgrade filestream-<VERSION_BEFORE_1.0> sudo dnf versionlock add filestream

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Teraway FileStream 1.0 - Insecure Cookie Handling

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-2009-1619?

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

Is CVE-2009-1619 being exploited?

CVE-2009-1619 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-2009-1619 affect?

CVE-2009-1619 affects filestream. Severity is high (CVSS 7.5). Teraway FileStream 1.0 allows remote attackers to bypass authentication and gain administrative access by setting the twFSadmin cookie to 1.

How urgent is CVE-2009-1619?

Priority 52/100. High severity; Public exploit reference

References

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