Security readout for executives and security teams
Plain-English summary
Joruri Mail 2.1.4 and earlier contains an open redirect weakness. An attacker could send a link that appears to use a trusted Joruri Mail site but sends the user to another website, supporting phishing. The public bundle does not provide CVSS, affected deployment details, or confirmed exploit activity.
Executive priority
Treat this as a moderate phishing-enablement issue, not a confirmed system compromise issue. Prioritize inventory and vendor-guided remediation if Joruri Mail is used, particularly for public-facing mail services.
Technical view
CVE-2019-5965 is an open redirect in SiteBridge Inc. Joruri Mail 2.1.4 and earlier. Remote attackers can redirect users to arbitrary websites via unspecified vectors. The sources do not identify a parameter, endpoint, CWE, CVSS score, or a specific fixed version in the supplied data.
Likely exposure
Exposure is limited to organizations running Joruri Mail 2.1.4 or earlier, especially internet-facing webmail portals. Asset inventory and version confirmation are necessary because the bundle does not list CPEs or deployment indicators.
Exploitation context
The CVE is not listed as KEV, and the supplied sources do not report active exploitation. The credible abuse scenario is phishing that leverages a legitimate Joruri Mail domain to increase user trust before redirecting elsewhere.
Researcher notes
Public technical detail is sparse. The vector is unspecified, no CVSS or CWE is provided in the bundle, and no exploit evidence is cited. Avoid assumptions about affected endpoints until vendor/JVN material or local testing confirms behavior.
Mitigation direction
- Identify all Joruri Mail deployments and confirm exact versions.
- Review SiteBridge/Joruri and JVN guidance for an update or workaround.
- Prioritize externally accessible Joruri Mail portals for remediation review.
- Monitor user reports and mail logs for suspicious trusted-domain phishing links.
- Educate help desk teams about possible Joruri Mail redirect abuse.
Validation and detection
- Confirm whether any deployed Joruri Mail version is 2.1.4 or earlier.
- Review vendor advisory pages for fixed-release or workaround details.
- Check web access logs for unusual redirect-related requests or phishing campaigns.
- Verify security tooling flags suspicious external redirects from trusted domains.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2019-5965 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://joruri.org/docs/2018060400041/CVE reference · x_refsource_MISC
- https://jvn.jp/en/jp/JVN58052567/index.htmlCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.