CVE-2019-5918 — Nablarch 5 (5, and 5u1 to 5u13) allows remote attackers to conduct XML External

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

01What is this vulnerability?

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

02Affected products

Vendor	Product	Versions
TIS Inc.	Nablarch 5	Nablarch 5, and 5u1 to 5u13

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2019-03-12T21:00:00.000Z
• Last modified: 2024-08-04T20:09:23.807Z

09References

• nablarch.atlassian.net — https://nablarch.atlassian.net/projects/NAB/issues/NAB-295
• jvn.jp — http://jvn.jp/en/jp/JVN56542712/index.html