How severe is CVE-2007-3948?

CVE-2007-3948 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2007-3948 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-2007-3948?

CVE-2007-3948 affects Lighttpd. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-3948?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2007-3948 published?

CVE-2007-3948 was published on 2007-07-24 and last updated on 2026-06-16.

CVE-2007-3948

CVE-2007-3948 is a medium-severity vulnerability in Lighttpd with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Lighttpd
Published: 2007-07-24
Last modified: 2026-06-16

Description

connections.c in lighttpd before 1.4.16 might accept more connections than the configured maximum, which allows remote attackers to cause a denial of service (failed assertion) via a large number of connection attempts.

Frequently asked questions

What is CVE-2007-3948?: connections.c in lighttpd before 1.4.16 might accept more connections than the configured maximum, which allows remote attackers to cause a denial of service (failed assertion) via a large number of connection attempts.
How severe is CVE-2007-3948?: CVE-2007-3948 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2007-3948 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-2007-3948?: CVE-2007-3948 affects Lighttpd. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-3948?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-3948 published?: CVE-2007-3948 was published on 2007-07-24 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:lighttpd:lighttpd:*:*:*:*:*:*:*:*

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