How severe is CVE-2018-0687?

CVE-2018-0687 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-0687 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-0687?

CVE-2018-0687 primarily affects Neo Debun Imap. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-0687?

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

When was CVE-2018-0687 published?

CVE-2018-0687 was published on 2018-11-15 and last updated on 2026-06-17.

CVE-2018-0687

CVE-2018-0687 is a medium-severity vulnerability in Neo Debun Imap with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Neo Debun Imap
Published: 2018-11-15
Last modified: 2026-06-17

Description

Cross-site scripting vulnerability in Denbun by NEOJAPAN Inc. (Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4.0 and earlier) allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Frequently asked questions

What is CVE-2018-0687?: Cross-site scripting vulnerability in Denbun by NEOJAPAN Inc. (Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4.0 and earlier) allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
How severe is CVE-2018-0687?: CVE-2018-0687 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-0687 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-0687?: CVE-2018-0687 primarily affects Neo Debun Imap. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-0687?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-0687 published?: CVE-2018-0687 was published on 2018-11-15 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:neo:debun_imap:*:*:*:*:*:*:*:*
cpe:2.3:a:neo:debun_pop:*:*:*:*:*:*:*:*

More vulnerabilities in Neo Debun Imap

CVE-2018-0684 — Critical (CVSS 9.8): Buffer overflow in Denbun by NEOJAPAN Inc. (Denbun POP version V3.3P R3.0 and earlier, Denbun IMAP version V3.3I R3.0…
CVE-2018-0683 — Critical (CVSS 9.8): Buffer overflow in Denbun by NEOJAPAN Inc. (Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4.0…
CVE-2018-0682 — Critical (CVSS 9.8): Denbun by NEOJAPAN Inc. (Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4.0 and earlier) does…
CVE-2018-0681 — Critical (CVSS 9.8): Denbun by NEOJAPAN Inc. (Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4.0 and earlier) uses…
CVE-2018-0680 — Critical (CVSS 9.8): Denbun by NEOJAPAN Inc. (Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4.0 and earlier) uses…
CVE-2018-0686 — High (CVSS 8.8): Denbun by NEOJAPAN Inc. (Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4.0 and earlier) allows…

All CVEs affecting Neo Debun Imap →

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