Is CVE-2013-1647 being actively exploited?

CVE-2013-1647 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2013-1647?

CVE-2013-1647 has a CVSS 2.0 base score of 5.0 (MEDIUM).

CVE-2013-1647

MEDIUM · CVSS 5.0EPSS 1.7%EU EUVD

Multiple CRLF injection vulnerabilities in Open-Xchange Server before 6.20.7 rev14, 6.22.0 before rev13, and 6.22.1 before rev14 allow remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via a crafted parameter, as demonstrated by (1) the location parameter to ajax/redirect or (2) multiple infostore URIs.

Key facts

CVSS score: 5.0 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:N/I:P/A:N
Weakness (CWE): CWE-94
EPSS score: 1.7% (78th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2013-1678)
Published: September 5, 2013
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2013-1678 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.

View on the EU Vulnerability Database

Affected products

open-xchange / open-xchange server
open-xchange / open-xchange server
open-xchange / open-xchange server

References

http://archives.neohapsis.com/archives/bugtraq/2013-03/0075.html(Exploit)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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