How severe is CVE-2013-6003?

CVE-2013-6003 has a CVSS 2.0 base score of 3.5, rated low severity.

Is CVE-2013-6003 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-2013-6003?

CVE-2013-6003 primarily affects Cybozu Garoon. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-6003?

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

When was CVE-2013-6003 published?

CVE-2013-6003 was published on 2013-12-05 and last updated on 2026-06-16.

CVE-2013-6003

CVE-2013-6003 is a low-severity vulnerability in Cybozu Garoon with a CVSS 2.0 base score of 3.5. 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-20.

Key facts

Severity: Low (CVSS 2.0 base score 3.5)
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Cybozu Garoon
Published: 2013-12-05
Last modified: 2026-06-16

Description

CRLF injection vulnerability in Cybozu Garoon 3.1 through 3.5 SP5, when Phone Messages forwarding is enabled, allows remote authenticated users to inject arbitrary e-mail headers via unspecified vectors.

Frequently asked questions

What is CVE-2013-6003?: CRLF injection vulnerability in Cybozu Garoon 3.1 through 3.5 SP5, when Phone Messages forwarding is enabled, allows remote authenticated users to inject arbitrary e-mail headers via unspecified vectors.
How severe is CVE-2013-6003?: CVE-2013-6003 has a CVSS 2.0 base score of 3.5, rated low severity.
Is CVE-2013-6003 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-2013-6003?: CVE-2013-6003 primarily affects Cybozu Garoon. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-6003?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-6003 published?: CVE-2013-6003 was published on 2013-12-05 and last updated on 2026-06-16.

References

Affected products (10)

cpe:2.3:a:cybozu:garoon:3.1:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.1:sp1:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.1:sp2:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.1:sp3:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.5:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.5:sp1:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.5:sp2:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.5:sp3:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.5:sp4:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.5:sp5:*:*:*:*:*:*

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