How severe is CVE-2013-6009?

CVE-2013-6009 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2013-6009 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-6009?

CVE-2013-6009 primarily affects Open-xchange Open-xchange Appsuite. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-6009?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-6009 published?

CVE-2013-6009 was published on 2013-10-03 and last updated on 2026-06-16.

CVE-2013-6009

CVE-2013-6009 is a medium-severity vulnerability in Open-xchange Open-xchange Appsuite with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Open-xchange Open-xchange Appsuite
Published: 2013-10-03
Last modified: 2026-06-16

Description

CRLF injection vulnerability in Open-Xchange AppSuite before 7.2.2, when using AJP in certain conditions, allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via the ajax/defer servlet.

Frequently asked questions

What is CVE-2013-6009?: CRLF injection vulnerability in Open-Xchange AppSuite before 7.2.2, when using AJP in certain conditions, allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via the ajax/defer servlet.
How severe is CVE-2013-6009?: CVE-2013-6009 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2013-6009 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-6009?: CVE-2013-6009 primarily affects Open-xchange Open-xchange Appsuite. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-6009?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-6009 published?: CVE-2013-6009 was published on 2013-10-03 and last updated on 2026-06-16.

References

http://www.securityfocus.com/archive/1/528940

Affected products (7)

cpe:2.3:a:open-xchange:open-xchange_appsuite:*:*:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:6.20.7:*:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:6.22.0:*:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:6.22.1:*:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.0.1:*:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.0.2:*:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.2.0:*:*:*:*:*:*:*

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