How severe is CVE-2006-6684?

CVE-2006-6684 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2006-6684 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-6684?

CVE-2006-6684 primarily affects Pedro Lineu Orso Chetcpasswd. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2006-6684?

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-2006-6684 published?

CVE-2006-6684 was published on 2006-12-21 and last updated on 2026-06-16.

CVE-2006-6684

CVE-2006-6684 is a high-severity vulnerability in Pedro Lineu Orso Chetcpasswd with a CVSS 2.0 base score of 7.5. 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-119.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Pedro Lineu Orso Chetcpasswd
Published: 2006-12-21
Last modified: 2026-06-16

Description

Heap-based buffer overflow in Pedro Lineu Orso chetcpasswd before 2.4 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a long X-Forwarded-For HTTP header. NOTE: The provenance of this information is unknown; the details are obtained solely from third party information.

Frequently asked questions

What is CVE-2006-6684?: Heap-based buffer overflow in Pedro Lineu Orso chetcpasswd before 2.4 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a long X-Forwarded-For HTTP header. NOTE: The provenance of this information is unknown; the details are obtained solely from third party information.
How severe is CVE-2006-6684?: CVE-2006-6684 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2006-6684 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-6684?: CVE-2006-6684 primarily affects Pedro Lineu Orso Chetcpasswd. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-6684?: 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-2006-6684 published?: CVE-2006-6684 was published on 2006-12-21 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:pedro_lineu_orso:chetcpasswd:*:*:*:*:*:*:*:*
cpe:2.3:a:pedro_lineu_orso:chetcpasswd:2.3.1:*:*:*:*:*:*:*

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CVE-2006-6683 — High (CVSS 7.8): Pedro Lineu Orso chetcpasswd 2.4.1 and earlier verifies and updates user accounts via custom code that processes…
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