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CVE-2006-6683

20
FAUCET Score

CVE-2006-6683 describes a vulnerability in Pedro Lineu Orso chetcpasswd versions 2.4.1 and earlier, where custom code for updating user accounts directly processes /etc/shadow, bypassing the system's PAM configuration. This allows remote attackers to circumvent intended security restrictions enforced by PAM. The vulnerability has a CVSS score of 7.8, indicating high severity with network access and low attack complexity, potentially leading to complete confidentiality compromise. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.4.1CPE matchmatch criteria
cpe:2.3:a:pedro_lineu_orso:chetcpasswd:*:*:*:*:*:*:*:*
1.12CPE matchmatch criteria
cpe:2.3:a:pedro_lineu_orso:chetcpasswd:1.12:*:*:*:*:*:*:*
2.1CPE matchmatch criteria
cpe:2.3:a:pedro_lineu_orso:chetcpasswd:2.1:*:*:*:*:*:*:*
2.2.1CPE matchmatch criteria
cpe:2.3:a:pedro_lineu_orso:chetcpasswd:2.2.1:*:*:*:*:*:*:*
2.3.1CPE matchmatch criteria
cpe:2.3:a:pedro_lineu_orso:chetcpasswd:2.3.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.8HIGH

AV:N/AC:L/Au:N/C:C/I:N/A:N

Confidentiality Impact
COMPLETE
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.39%
Probability of exploitation in next 30 days
EPSS Percentile
69.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0139 is in the 50th percentile among its peer group of 51,551 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

bugs.debian.org / cgi-bin/bugreport.cgi
Vendor Advisory
securityfocus.com / bid/21102
Vendor Advisory