CVE-2006-5571: Stack-based buffer overflow in /scripts/cruise/cws.exe in CruiseWorks 1.09c and 1.09d allows remote attackers

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HIGH 7.5DOWNGRADE

CVE-2006-5571 is a high-severity flaw (CVSS 7.5) affecting cruiseworks. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Stack-based buffer overflow in /scripts/cruise/cws.exe in CruiseWorks 1.09c and 1.09d allows remote attackers to execute arbitrary code via a long string in the doc parameter.

Why this priority

High severity
EPSS top 5%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	8.3% (top 5%)
CISA exploited list	No
Published	2006-10-27
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: kynoslogic

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

Am I affected?

Timeline

2006-10-27 16:07 UTCPublished CVE record published
2026-06-16 22:31 UTCUpdated Record last modified

kynoslogic cruiseworks DOWNGRADE

Affected: 1.09c · 1.09d

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.09c

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.09c (Debian / Ubuntu)

apt-cache madison cruiseworks sudo apt install cruiseworks=<VERSION_BEFORE_1.09c> sudo apt-mark hold cruiseworks

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

dnf --showduplicates list cruiseworks sudo dnf downgrade cruiseworks-<VERSION_BEFORE_1.09c> sudo dnf versionlock add cruiseworks

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: Cruiseworks 1.09 - 'Cws.exe' Doc Buffer Overflow

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-2006-5571?

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

Is CVE-2006-5571 being exploited?

CVE-2006-5571 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-2006-5571 affect?

CVE-2006-5571 affects cruiseworks. Severity is high (CVSS 7.5). Stack-based buffer overflow in /scripts/cruise/cws.exe in CruiseWorks 1.09c and 1.09d allows remote attackers to execute arbitrary code via a long string in the doc parameter.

How urgent is CVE-2006-5571?

Priority 55/100. High severity; EPSS top 5%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2007-1782 MEDIUM 4.6 UPGRADE CruiseWorks 1.09e and earlier does not properly restrict user access to certain privileged actions, which allo
CVE-2006-5570 MEDIUM 5.0 DOWNGRADE Directory traversal vulnerability in /scripts/cruise/cws.exe in CruiseWorks 1.09c and 1.09d allows remote atta

References

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