CVE-2006-6685

Heap-based buffer overflow in Pedro Lineu Orso chetcpasswd 2.3.3 allows local users to cause a denial of service (application crash) and possibly execute arbitrary code via a long REMOTE_ADDR environment variable. NOTE: The provenance of this information is unknown; the details are obtained solely from third party information.

Published: 2006-12-21 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2006-6685 is rated Moderate Risk (40.3/100): CVSS High severity, with low exploitation likelihood (EPSS 0.40%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2006-6685

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.05% 0.40% +0.35%
2 2025-08-09 0.05% 0.05% +0.00%
3 2025-03-30 0.05%

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-6685

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.2 2.0 HIGH
AV:L/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
3.9 10.0 [email protected]

Weakness enumeration for CVE-2006-6685

OS Trackers for CVE-2006-6685

vendor priority summary link
alpine CVE-2006-6685: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-2006-6685

Affected software / configurations for CVE-2006-6685

Vendor Product Version Raw CPE
pedro_lineu_orso chetcpasswd 2.3.3 cpe:2.3:a:pedro_lineu_orso:chetcpasswd:2.3.3:*:*:*:*:*:*:*

References for CVE-2006-6685

URL Tags
http://secunia.com/advisories/22967 Vendor Advisory
cvelogic Threat Intelligence