What is the CVSS score of CVE-2018-0686?

CVE-2018-0686 has a CVSS 3.0 base score of 8.8 (High). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.5%.

Debun Imap CVE-2018-0686

HIGH

Unrestricted Upload of File with Dangerous Type (CWE-434)

2018-11-15 vultures@jpcert.or.jp

File Upload Debun Imap Debun Pop

8.8

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Nov 15, 2018 - 15:29 nvd

HIGH 8.8

DescriptionNVD

Denbun by NEOJAPAN Inc. (Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4.0 and earlier) allows remote authenticated attackers to upload and execute any executable files via unspecified vectors.

AnalysisAI

Denbun by NEOJAPAN Inc. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Unrestricted File Upload (CWE-434), which allows attackers to upload malicious files that can be executed on the server. Denbun by NEOJAPAN Inc. (Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4.0 and earlier) allows remote authenticated attackers to upload and execute any executable files via unspecified vectors. Affected products include: Neo Debun Imap, Neo Debun Pop.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate file types server-side, store uploads outside webroot, use random filenames, scan for malware.