How severe is CVE-2006-6683?

CVE-2006-6683 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2006-6683 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-6683?

CVE-2006-6683 primarily affects Pedro Lineu Orso Chetcpasswd. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2006-6683?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2006-6683 published?

CVE-2006-6683 was published on 2006-12-21 and last updated on 2026-06-16.

CVE-2006-6683

CVE-2006-6683 is a high-severity vulnerability in Pedro Lineu Orso Chetcpasswd with a CVSS 2.0 base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Pedro Lineu Orso Chetcpasswd
Published: 2006-12-21
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2006-6683?: 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.
How severe is CVE-2006-6683?: CVE-2006-6683 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2006-6683 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-6683?: CVE-2006-6683 primarily affects Pedro Lineu Orso Chetcpasswd. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-6683?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2006-6683 published?: CVE-2006-6683 was published on 2006-12-21 and last updated on 2026-06-16.

References

Affected products (6)

cpe:2.3:a:pedro_lineu_orso:chetcpasswd:*:*:*:*:*:*:*:*
cpe:2.3:a:pedro_lineu_orso:chetcpasswd:1.12:*:*:*:*:*:*:*
cpe:2.3:a:pedro_lineu_orso:chetcpasswd:2.1:*:*:*:*:*:*:*
cpe:2.3:a:pedro_lineu_orso:chetcpasswd:2.2.1:*:*:*:*:*:*:*
cpe:2.3:a:pedro_lineu_orso:chetcpasswd:2.3.1:*:*:*:*:*:*:*
cpe:2.3:a:pedro_lineu_orso:chetcpasswd:2.3.3:*:*:*:*:*:*:*

More vulnerabilities in Pedro Lineu Orso Chetcpasswd

CVE-2006-6684 — High (CVSS 7.5): Heap-based buffer overflow in Pedro Lineu Orso chetcpasswd before 2.4 allows remote attackers to cause a denial of…
CVE-2006-6685 — High (CVSS 7.2): Heap-based buffer overflow in Pedro Lineu Orso chetcpasswd 2.3.3 allows local users to cause a denial of service…

All CVEs affecting Pedro Lineu Orso Chetcpasswd →

Other CWE-264 (Permissions, Privileges, and Access Controls) vulnerabilities

CVE-2016-8363 — Critical (CVSS 10.0): An issue was discovered in Moxa OnCell OnCellG3470A-LTE, AWK-1131A/3131A/4131A Series, AWK-3191 Series, AWK-5232/6232…
CVE-2016-7457 — Critical (CVSS 10.0): VMware vRealize Operations (aka vROps) 6.x before 6.4.0 allows remote authenticated users to gain privileges, or halt…
CVE-2015-7425 — Critical (CVSS 10.0): The Data Protection component in the VMware vSphere GUI in IBM Tivoli Storage Manager for Virtual Environments: Data…
CVE-2015-8267 — Critical (CVSS 10.0): The PasswordReset.Controllers.ResetController.ChangePasswordIndex method in PasswordReset.dll in Dovestones AD Self…
CVE-2015-7919 — Critical (CVSS 10.0): SearchBlox 8.3 before 8.3.1 allows remote attackers to write to the config file, and consequently cause a denial of…
CVE-2015-7071 — Critical (CVSS 10.0): The File Bookmark component in Apple OS X before 10.11.2 allows attackers to bypass a sandbox protection mechanism for…

Browse all CWE-264 (Permissions, Privileges, and Access Controls) vulnerabilities →