CVE-2006-3671: Cross-site request forgery (CSRF) vulnerability in the communicate function in estmaster.c for Hyper Estraier

Q: How do I fix CVE-2006-3671?

hyper estraier: upgrade to newer than 1.3.2. Exact commands for each OS are on this page.

Q: Is CVE-2006-3671 being exploited?

CVE-2006-3671 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2006-3671 affect?

CVE-2006-3671 affects hyper estraier. Severity is high (CVSS 7.5). Cross-site request forgery (CSRF) vulnerability in the communicate function in estmaster.c for Hyper Estraier before 1.3.3 allows remote attackers to perform unauthorized actions as other users via unknown vectors.

This month

HIGH 7.5UPGRADE

CVE-2006-3671 is a high-severity flaw (CVSS 7.5) affecting hyper estraier. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site request forgery (CSRF) vulnerability in the communicate function in estmaster.c for Hyper Estraier before 1.3.3 allows remote attackers to perform unauthorized actions as other users via unknown vectors.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	1.6% (top 24%)
CISA exploited list	No
Published	2006-07-18
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: hyper estraier

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

Am I affected?

Timeline

2006-07-18 15:47 UTCPublished CVE record published
2026-06-16 22:27 UTCUpdated Record last modified

hyper estraier hyper estraier UPGRADE

Affected: <= 1.3.2 · 1.0 · 1.0.1 · 1.0.2 · 1.0.3 · 1.0.4 · 1.0.5 · 1.0.6

Fixed in: newer than 1.3.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy hyper-estraier || rpm -q hyper-estraier || hyper-estraier --version

2. UPGRADE to newer than 1.3.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade hyper-estraier

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade hyper-estraier

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2006-3671?

hyper estraier: upgrade to newer than 1.3.2. Exact commands for each OS are on this page.

Is CVE-2006-3671 being exploited?

CVE-2006-3671 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-2006-3671 affect?

CVE-2006-3671 affects hyper estraier. Severity is high (CVSS 7.5). Cross-site request forgery (CSRF) vulnerability in the communicate function in estmaster.c for Hyper Estraier before 1.3.3 allows remote attackers to perform unauthorized actions as other users via unknown vectors.

How urgent is CVE-2006-3671?

Priority 45/100. High severity

Related CVEs

CVE-2005-3421 MEDIUM 5.0 DOWNGRADE estcmd in Hyper Estraier 1.0.1 on Windows systems allows remote attackers to read unauthorized files via a cra

References

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