# CVE-2024-11318: IDOR vulnerability in AbsysNet

> Remote attackers can hijack user sessions by brute-forcing identifiers on the AbsysNet ocap endpoint, leading to unauthorized access.

- **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:** 18 Nov 2024
- **Updated:** 18 Nov 2024
- **Also known as:** GHSA-mrwr-hhwh-wjwq

## What is CVE-2024-11318?

CVE-2024-11318 is a high-severity authentication bypass vulnerability in Baratz Innovación AbsysNet, published on 18 Nov 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

An IDOR (Insecure Direct Object Reference) vulnerability has been discovered in AbsysNet, affecting version 2.3.1. This vulnerability could allow a remote attacker to obtain the session of an unauthenticated user by brute-force attacking the session identifier on the "/cgi-bin/ocap/" endpoint.

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

## Which versions are affected by CVE-2024-11318?


## How do I fix CVE-2024-11318?

No fix has been published for CVE-2024-11318 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-11318 being exploited?

There is no known exploitation of CVE-2024-11318 in the wild and no public exploit code.

Public exploit code:

- This repository details an IDOR vulnerability in AbsysNet 2.3.1, which allows a remote attacker to brute-force session IDs via the /cgi-bin/ocap/ endpoint. Successful exploitation can compromise active user sessions, exposing authentication tokens in HTML. The attack is limited to active sessions and is terminated if the user logs out. (github_poc): https://github.com/xthalach/CVE-2024-11318

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-11318 and fix it if it is affected.

What it is: CVE-2024-11318 is a high-severity authentication bypass vulnerability in Baratz Innovación AbsysNet, published on 18 Nov 2024. 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-2024-11318 in the wild and no public exploit code.

Affected product: Baratz Innovación AbsysNet. 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-2024-11318/ (Markdown: https://insights.sbomify.com/CVE-2024-11318/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-11318
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-11318
- OSV: https://osv.dev/vulnerability/CVE-2024-11318

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-11318/
Summaries are generated and may contain mistakes; the official description above is the record.