CVE-2013-1647
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,…
Does this matter?
A public exploit is published in Exploit-DB, so the technical barrier is gone even though the severity is medium and EPSS is 1.7%. Treat it as high on anything reachable from the internet.
Description
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.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N
- EPSS
- 1.72% probability · 77th percentile
- Public exploits
- 1 in Exploit-DB · first 15 March 2013
- CISA KEV
- Not listed
- Weakness
- CWE-94
- Affected
- open-xchange/open-xchange server
- Source
- cve@mitre.org
EPSS 1.7% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.