# CVE-2024-33507: Auth bypass in FortiIsolator

> Remote attackers can deauthenticate admins or escalate privileges to write access via crafted cookies in FortiIsolator.

- **Severity:** High 7.0 (`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H/E:P/RL:X/RC:X`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 14 Oct 2025
- **Updated:** 14 Jan 2026
- **Also known as:** GHSA-q59r-m5g9-6m54

## What is CVE-2024-33507?

CVE-2024-33507 is a high-severity authentication bypass vulnerability in Fortinet FortiIsolator, published on 14 Oct 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

An insufficient session expiration vulnerability [CWE-613] and an incorrect authorization vulnerability [CWE-863] in FortiIsolator 2.4.0 through 2.4.4, 2.3 all versions, 2.2.0, 2.1 all versions, 2.0 all versions authentication mechanism may allow remote unauthenticated attacker to deauthenticate logged in admins via crafted cookie and remote authenticated read-only attacker to gain write privilege via crafted cookie.

Weakness: CWE-613 (DEPRECATED: Insufficient Session Expiration)

## Which versions are affected by CVE-2024-33507?

It affects 1 product.


Products: Fortinet Fortiisolator.

## How do I fix CVE-2024-33507?

No fix has been published for CVE-2024-33507 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-33507 being exploited?

There is no known exploitation of CVE-2024-33507 in the wild and no public exploit code.

## Other vulnerabilities in Fortinet FortiIsolator

- [CVE-2020-6649](https://insights.sbomify.com/CVE-2020-6649/): Auth bypass in Fortinet FortiIsolator (critical 9.8)
- [CVE-2021-41020](https://insights.sbomify.com/CVE-2021-41020/): Missing authorization in Fortinet FortiIsolator (high 8.8)
- [CVE-2024-55590](https://insights.sbomify.com/CVE-2024-55590/): Command injection in FortiIsolator (high 8.6)
- [CVE-2024-54024](https://insights.sbomify.com/CVE-2024-54024/): Command injection in FortiIsolator (high 7.0)
- [CVE-2022-22298](https://insights.sbomify.com/CVE-2022-22298/): Command injection in FortiIsolator (medium 6.7)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-33507 and fix it if it is affected.

What it is: CVE-2024-33507 is a high-severity authentication bypass vulnerability in Fortinet FortiIsolator, published on 14 Oct 2025. 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-2024-33507 in the wild and no public exploit code.

Affected product: Fortinet FortiIsolator. 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-2024-33507/ (Markdown: https://insights.sbomify.com/CVE-2024-33507/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-33507
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-33507
- OSV: https://osv.dev/vulnerability/CVE-2024-33507

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-33507/
Summaries are generated and may contain mistakes; the official description above is the record.