What is the CVSS score of CVE-2019-5918?

CVE-2019-5918 has a CVSS 3.0 base score of 9.1 (Critical). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H. EPSS exploitation probability: 1.9%.

Nablarch CVE-2019-5918

CRITICAL

Improper Restriction of XML External Entity Reference (CWE-611)

2019-03-12 vultures@jpcert.or.jp

XXE Nablarch

9.1

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

9.1 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Mar 12, 2019 - 22:29 nvd

CRITICAL 9.1

DescriptionNVD

Nablarch 5 (5, and 5u1 to 5u13) allows remote attackers to conduct XML External Entity (XXE) attacks via unspecified vectors.

AnalysisAI

Nablarch 5 (5, and 5u1 to 5u13) allows remote attackers to conduct XML External Entity (XXE) attacks via unspecified vectors. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as XML External Entity (XXE) (CWE-611), which allows attackers to read arbitrary files or perform SSRF through XML processing. Nablarch 5 (5, and 5u1 to 5u13) allows remote attackers to conduct XML External Entity (XXE) attacks via unspecified vectors. Affected products include: Nablarch Project Nablarch.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Disable external entity processing in XML parsers, use JSON instead of XML where possible.