# CVE-2023-27998: Information disclosure in FortiPresence

> Unauthenticated attackers can access sensitive information by navigating to specific HTTP paths due to missing custom error pages in FortiPresence.

- **Severity:** Medium 5.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:X/RC:C`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 13 Sep 2023
- **Updated:** 25 Sep 2024
- **Also known as:** GHSA-7pp3-x5h4-fx5v

## What is CVE-2023-27998?

CVE-2023-27998 is a medium-severity vulnerability in Fortinet FortiPresence, published on 13 Sep 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A lack of custom error pages vulnerability [CWE-756] in FortiPresence versions 1.2.0 through 1.2.1 and all versions of 1.1 and 1.0 may allow an unauthenticated attacker with the ability to navigate to the login GUI to gain sensitive information via navigating to specific HTTP(s) paths.

Weakness: CWE-755 (Improper Handling of Exceptional Conditions), CWE-756 (Missing Custom Error Page)

## Which versions are affected by CVE-2023-27998?

It affects 1 product.


Products: Fortinet Fortipresence.

## How do I fix CVE-2023-27998?

No fix has been published for CVE-2023-27998 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-27998 being exploited?

There is no known exploitation of CVE-2023-27998 in the wild and no public exploit code.

## Other vulnerabilities in Fortinet FortiPresence

- [CVE-2020-6641](https://insights.sbomify.com/CVE-2020-6641/): Auth bypass in Fortinet FortiPresence (medium 4.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-27998 and fix it if it is affected.

What it is: CVE-2023-27998 is a medium-severity vulnerability in Fortinet FortiPresence, published on 13 Sep 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-2023-27998 in the wild and no public exploit code.

Affected product: Fortinet FortiPresence. 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-2023-27998/ (Markdown: https://insights.sbomify.com/CVE-2023-27998/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-27998
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-27998
- OSV: https://osv.dev/vulnerability/CVE-2023-27998

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-27998/
Summaries are generated and may contain mistakes; the official description above is the record.