CVE-2009-0347: Open redirect vulnerability in cs.html in the Autonomy (formerly Verity) Ultraseek search engine allows remote

This week

MEDIUM 5.8DOWNGRADE

CVE-2009-0347 is a medium-severity flaw (CVSS 5.8) affecting ultraseek. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Open redirect vulnerability in cs.html in the Autonomy (formerly Verity) Ultraseek search engine allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via the url parameter.

Why this priority

EPSS top 4%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	5.8 (Medium)
EPSS exploit chance	10.9% (top 4%)
CISA exploited list	No
Weakness	CWE-59
Published	2009-01-29
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: autonomy

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

Am I affected?

Timeline

2009-01-29 19:30 UTCPublished CVE record published
2026-06-16 23:04 UTCUpdated Record last modified

autonomy ultraseek DOWNGRADE

Affected: _nil_

Fixed in: no fixed release known

Safe to downgrade to: a release before _nil_

1. Check installed version

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

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

apt-cache madison ultraseek sudo apt install ultraseek=<VERSION_BEFORE__nil_> sudo apt-mark hold ultraseek

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

dnf --showduplicates list ultraseek sudo dnf downgrade ultraseek-<VERSION_BEFORE__nil_> sudo dnf versionlock add ultraseek

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: Autonomy Ultraseek - 'cs.html' Open Redirection
Nuclei scan template: Autonomy Ultraseek - Open Redirect

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-2009-0347?

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

Is CVE-2009-0347 being exploited?

CVE-2009-0347 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-2009-0347 affect?

CVE-2009-0347 affects ultraseek. Severity is medium (CVSS 5.8). Open redirect vulnerability in cs.html in the Autonomy (formerly Verity) Ultraseek search engine allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via the url parameter.

How urgent is CVE-2009-0347?

Priority 49/100. EPSS top 4%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2006-5971 MEDIUM 5.0 UPGRADE Absolute path traversal vulnerability in admin/logfile.txt in Verity Ultraseek before 5.6.2 allows remote atta
CVE-2006-5970 MEDIUM 5.0 UPGRADE Verity Ultraseek before 5.7 allows remote attackers to obtain sensitive information via direct requests with (
CVE-2006-5819 HIGH 10.0 UPGRADE Verity Ultraseek before 5.7 allows remote attackers to use the server as a proxy for web attacks and host scan
CVE-2004-0050 MEDIUM 5.0 UPGRADE Verity Ultraseek before 5.2.2 allows remote attackers to obtain the full pathname of the document root via an

References

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