CVE-2005-4448

CVE-2005-4448 is a critical-severity vulnerability in Flatnuke with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

FlatNuke 2.5.6 verifies authentication credentials based on an MD5 checksum of the admin name and the hashed password rather than the plaintext password, which allows attackers to gain privileges by obtaining the password hash (possibly via CVE-2005-2813), then calculating the credentials and including them in the secid cookie.

Frequently asked questions

What is CVE-2005-4448?
FlatNuke 2.5.6 verifies authentication credentials based on an MD5 checksum of the admin name and the hashed password rather than the plaintext password, which allows attackers to gain privileges by obtaining the password hash (possibly via CVE-2005-2813), then calculating the credentials and including them in the secid cookie.
How severe is CVE-2005-4448?
CVE-2005-4448 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2005-4448 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-2005-4448?
CVE-2005-4448 affects Flatnuke. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2005-4448?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2005-4448 published?
CVE-2005-4448 was published on 2005-12-21 and last updated on 2026-06-16.

References

Affected products (1)

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