How severe is CVE-2007-4443?

CVE-2007-4443 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2007-4443 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-4443?

CVE-2007-4443 primarily affects Epic Games Unreal Engine. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-4443?

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

When was CVE-2007-4443 published?

CVE-2007-4443 was published on 2007-08-21 and last updated on 2026-06-16.

CVE-2007-4443

CVE-2007-4443 is a medium-severity vulnerability in Epic Games Unreal Engine with a CVSS 2.0 base score of 5.0. 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 5.0)
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Epic Games Unreal Engine
Published: 2007-08-21
Last modified: 2026-06-16

Description

The UCC dedicated server for the Unreal engine, possibly 2003 and 2004, on Windows allows remote attackers to cause a denial of service (continuous beep and server slowdown) via a string containing many 0x07 characters in (1) a request to the images/ directory, (2) the Content-Type field, (3) a HEAD request, and possibly other unspecified vectors.

Frequently asked questions

What is CVE-2007-4443?: The UCC dedicated server for the Unreal engine, possibly 2003 and 2004, on Windows allows remote attackers to cause a denial of service (continuous beep and server slowdown) via a string containing many 0x07 characters in (1) a request to the images/ directory, (2) the Content-Type field, (3) a HEAD request, and possibly other unspecified vectors.
How severe is CVE-2007-4443?: CVE-2007-4443 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2007-4443 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-4443?: CVE-2007-4443 primarily affects Epic Games Unreal Engine. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-4443?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-4443 published?: CVE-2007-4443 was published on 2007-08-21 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:epic_games:unreal_engine:2003:*:*:*:*:*:*:*
cpe:2.3:a:epic_games:unreal_engine:2004:*:*:*:*:*:*:*

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