How severe is CVE-2013-4698?

CVE-2013-4698 has a CVSS 2.0 base score of 3.5, rated low severity.

Is CVE-2013-4698 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-4698?

CVE-2013-4698 primarily affects Cybozu Mailwise. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-4698?

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

When was CVE-2013-4698 published?

CVE-2013-4698 was published on 2013-08-16 and last updated on 2026-06-16.

CVE-2013-4698

CVE-2013-4698 is a low-severity vulnerability in Cybozu Mailwise 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-200.

Key facts

Severity: Low (CVSS 2.0 base score 3.5)
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Cybozu Mailwise
Published: 2013-08-16
Last modified: 2026-06-16

Description

Cybozu Mailwise 5.0.4 and 5.0.5 allows remote authenticated users to obtain sensitive e-mail content intended for different persons in opportunistic circumstances by reading Subject header lines within the user's own mailbox.

Frequently asked questions

What is CVE-2013-4698?: Cybozu Mailwise 5.0.4 and 5.0.5 allows remote authenticated users to obtain sensitive e-mail content intended for different persons in opportunistic circumstances by reading Subject header lines within the user's own mailbox.
How severe is CVE-2013-4698?: CVE-2013-4698 has a CVSS 2.0 base score of 3.5, rated low severity.
Is CVE-2013-4698 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-4698?: CVE-2013-4698 primarily affects Cybozu Mailwise. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-4698?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-4698 published?: CVE-2013-4698 was published on 2013-08-16 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:cybozu:mailwise:5.0.4:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:mailwise:5.0.5:*:*:*:*:*:*:*

More vulnerabilities in Cybozu Mailwise

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CVE-2013-2305 — Medium (CVSS 6.8): Cross-site request forgery (CSRF) vulnerability in Cybozu Office before 8.1.6 and 9.x before 9.3.0, Cybozu Dezie before…
CVE-2016-4843 — Medium (CVSS 6.5): Cybozu Mailwise before 5.4.0 allows remote attackers to obtain sensitive cookie information.
CVE-2018-0559 — Medium (CVSS 6.1): Cross-site scripting vulnerability in Cybozu Mailwise 5.0.0 to 5.4.1 allows remote attackers to inject arbitrary web…
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