# CVE-2023-4595: Insertion of Sensitive Information into Externally-Accessible File or Directory in BVRP Software SLmail

> Remote attackers can retrieve sensitive server files by appending specific URL parameters, exposing credentials and configurations.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 23 Nov 2023
- **Updated:** 2 Aug 2024
- **Also known as:** GHSA-2p67-36h6-33v6

## What is CVE-2023-4595?

CVE-2023-4595 is a high-severity vulnerability in BVRP Software SLmail, published on 23 Nov 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

An information exposure vulnerability has been found, the exploitation of which could allow a remote user to retrieve sensitive information stored on the server such as credential files, configuration files, application files, etc., simply by appending any of the following parameters to the end of the URL: %00 %0a, %20, %2a, %a0, %aa, %c0 and %ca.

Weakness: CWE-538 (Insertion of Sensitive Information into Externally-Accessible File or Directory)

## Which versions are affected by CVE-2023-4595?

It affects 1 product.


Products: Seattlelab Slmail.

## How do I fix CVE-2023-4595?

No fix has been published for CVE-2023-4595 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-4595 being exploited?

There is no known exploitation of CVE-2023-4595 in the wild and no public exploit code.

## Other vulnerabilities in BVRP Software SLmail

- [CVE-2023-4593](https://insights.sbomify.com/CVE-2023-4593/): Path Traversal in BVRP Software SLmail (medium 6.5)
- [CVE-2023-4594](https://insights.sbomify.com/CVE-2023-4594/): Cross-site Scripting in BVRP Software SLmail (medium 6.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-4595 and fix it if it is affected.

What it is: CVE-2023-4595 is a high-severity vulnerability in BVRP Software SLmail, published on 23 Nov 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-4595 in the wild and no public exploit code.

Affected product: BVRP Software SLmail. 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-2023-4595/ (Markdown: https://insights.sbomify.com/CVE-2023-4595/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-4595
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-4595
- OSV: https://osv.dev/vulnerability/CVE-2023-4595

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-4595/
Summaries are generated and may contain mistakes; the official description above is the record.