How severe is CVE-2007-5771?

CVE-2007-5771 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2007-5771 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-5771?

CVE-2007-5771 affects Flatnuke3. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-5771?

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-2007-5771 published?

CVE-2007-5771 was published on 2007-11-01 and last updated on 2026-06-16.

CVE-2007-5771

CVE-2007-5771 is a high-severity vulnerability in Flatnuke3 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-264.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Flatnuke3
Published: 2007-11-01
Last modified: 2026-06-16

Description

Flatnuke 3 (aka FlatnuX) allows remote attackers to obtain administrative access via a myforum%00 cookie.

Frequently asked questions

What is CVE-2007-5771?: Flatnuke 3 (aka FlatnuX) allows remote attackers to obtain administrative access via a myforum%00 cookie.
How severe is CVE-2007-5771?: CVE-2007-5771 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2007-5771 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-5771?: CVE-2007-5771 affects Flatnuke3. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-5771?: 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-2007-5771 published?: CVE-2007-5771 was published on 2007-11-01 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:flatnuke3:flatnuke3:*:*:*:*:*:*:*:*

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