CVE-2007-4164

CVE-2007-4164 is a high-severity vulnerability in Sun Java System Web Server 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.

Key facts

Description

CRLF injection vulnerability in the redirect feature in Sun Java System Web Server 6.1 and 7.0 before 20070802, when the redirect Server Application Function (SAF) uses the url-prefix parameter and escape is disabled, or an Error directive uses the url-prefix parameter in obj.conf, allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks.

Frequently asked questions

What is CVE-2007-4164?
CRLF injection vulnerability in the redirect feature in Sun Java System Web Server 6.1 and 7.0 before 20070802, when the redirect Server Application Function (SAF) uses the url-prefix parameter and escape is disabled, or an Error directive uses the url-prefix parameter in obj.conf, allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks.
How severe is CVE-2007-4164?
CVE-2007-4164 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2007-4164 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-4164?
CVE-2007-4164 primarily affects Sun Java System Web Server. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-4164?
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-2007-4164 published?
CVE-2007-4164 was published on 2007-08-07 and last updated on 2026-06-16.

References

Affected products (9)

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