CVE-2009-4086

medium

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.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/54356

https://euvd.enisa.europa.eu/vulnerability/EUVD-2009-4057

http://www.securityfocus.com/bid/37064

http://secunia.com/advisories/36681

http://packetstormsecurity.org/0911-exploits/xerver-split.txt

Details

Source: Mitre, NVD

Published: 2009-11-29

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 6.1

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Severity: Medium

EPSS

EPSS: 0.04765