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CVE-2009-4086

UnknownEPSS 4.76%

Last modified

CVE-2009-4086 is a vulnerability of currently unknown severity. CRLF injection vulnerability in Xerver HTTP Server 4.31 and 4.32 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via certain byte sequences at the end of a URL. NOTE: some of these details are obtained from third party information.. EPSS estimates a 4.76% chance of exploitation in the next 30 days.

Description

CRLF injection vulnerability in Xerver HTTP Server 4.31 and 4.32 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via certain byte sequences at the end of a URL. NOTE: some of these details are obtained from third party information.

Metrics

EPSS Probability
4.76%

90.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
JavascriptXerver Http Server4.31
JavascriptXerver Http Server4.32

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2009-4086?
CRLF injection vulnerability in Xerver HTTP Server 4.31 and 4.32 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via certain byte sequences at the end of a URL. NOTE: some of these details are obtained from third party information.
How severe is CVE-2009-4086?
Severity scoring for CVE-2009-4086 is pending analysis. The EPSS model estimates a 4.76% probability of exploitation in the next 30 days.
How do I fix CVE-2009-4086?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2009-4086?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST