Is CVE-2006-6683 being actively exploited?

CVE-2006-6683 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2006-6683?

CVE-2006-6683 has a CVSS 2.0 base score of 7.8 (HIGH).

CVE-2006-6683

HIGH · CVSS 7.8EPSS 1.4%EU EUVD

Pedro Lineu Orso chetcpasswd 2.4.1 and earlier verifies and updates user accounts via custom code that processes /etc/shadow and does not follow the PAM configuration, which might allow remote attackers to bypass intended restrictions implemented through PAM.

Key facts

CVSS score: 7.8 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:L/Au:N/C:C/I:N/A:N
Weakness (CWE): CWE-264
EPSS score: 1.4% (73th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2006-6666)
Published: December 21, 2006
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2006-6666 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.

View on the EU Vulnerability Database

Affected products

pedro lineu orso / chetcpasswd
pedro lineu orso / chetcpasswd
pedro lineu orso / chetcpasswd
pedro lineu orso / chetcpasswd
pedro lineu orso / chetcpasswd
pedro lineu orso / chetcpasswd

References

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=394454(Vendor Advisory)
http://www.securityfocus.com/bid/21102(Vendor Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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