# CVE-2019-5966: Auth bypass in Joruri Mail

> Remote attackers can impersonate arbitrary users to read or modify information due to improper session management in Joruri Mail.

- **Severity:** Medium 5.4 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 5 Jul 2019
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-8gp8-q73h-h557

## What is CVE-2019-5966?

CVE-2019-5966 is a medium-severity authentication bypass vulnerability in SiteBridge Inc. Joruri Mail, published on 5 Jul 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

Joruri Mail 2.1.4 and earlier does not properly manage sessions, which allows remote attackers to impersonate an arbitrary user and alter/disclose the information via unspecified vectors.

Weakness: CWE-639 (Authorization Bypass Through User-Controlled Key)

## Which versions are affected by CVE-2019-5966?

It affects 1 product.


Products: Joruri Joruri Mail.

## How do I fix CVE-2019-5966?

No fix has been published for CVE-2019-5966 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-5966 being exploited?

There is no known exploitation of CVE-2019-5966 in the wild and no public exploit code.

## Other vulnerabilities in SiteBridge Inc. Joruri Mail

- [CVE-2019-5965](https://insights.sbomify.com/CVE-2019-5965/): Open redirect in Joruri Mail (medium 6.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-5966 and fix it if it is affected.

What it is: CVE-2019-5966 is a medium-severity authentication bypass vulnerability in SiteBridge Inc. Joruri Mail, published on 5 Jul 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2019-5966 in the wild and no public exploit code.

Affected product: SiteBridge Inc. Joruri Mail. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2019-5966/ (Markdown: https://insights.sbomify.com/CVE-2019-5966/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-5966
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-5966
- OSV: https://osv.dev/vulnerability/CVE-2019-5966

---
From sbomify Insights: https://insights.sbomify.com/CVE-2019-5966/
Summaries are generated and may contain mistakes; the official description above is the record.