TI-2009-03875 Aliases CVE-2009-4086 GHSA-2wh9-mjfj-9cc7

CRLF injection vulnerability in Xerver HTTP Server 4.31 and 4.32 allows remote attackers…

LOW 30CWE-20Published 2009-11-27 · Updated 2024-08-07

Key facts

Attack vector: Network
Privileges required: None
User interaction: — Not recorded in CVSS 2.0
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: None · Partial · None
Fix status: No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.04765 91st percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:a:javascript:xerver_http_server:4.31:::::::*	4.31	Vulnerable	Javascript
cpe:2.3:a:javascript:xerver_http_server:4.32:::::::*	4.32	Vulnerable	Javascript

cpe:2.3:a:javascript:xerver_http_server:4.31:*:*:*:*:*:*:* Versions 4.31 Vulnerable ·Javascript
cpe:2.3:a:javascript:xerver_http_server:4.32:*:*:*:*:*:*:* Versions 4.32 Vulnerable ·Javascript

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2009-4086
2026-10-03 Alias added: GHSA-2wh9-mjfj-9cc7

References

Exploit 1

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

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences