# CVE-2023-28395: CVE-2023-28395

> Attackers can predict session tokens to hijack sessions and gain unauthorized access to the Osprey Pump Controller.

- **Severity:** High 8.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L`)
- **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:** 28 Mar 2023
- **Updated:** 16 Jan 2025
- **Also known as:** GHSA-94w5-83fg-vhgc

## What is CVE-2023-28395?

CVE-2023-28395 is a high-severity authentication bypass vulnerability in ProPump and Controls, Inc. Osprey Pump Controller, published on 28 Mar 2023. 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

Osprey Pump Controller version 1.01 is vulnerable to a weak session token generation algorithm that can be predicted and can aid in authentication and authorization bypass. This may allow an attacker to hijack a session by predicting the session id and gain unauthorized access to the product.

Weakness: CWE-338 (Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG))

## Which versions are affected by CVE-2023-28395?

It affects 1 product.


Products: Propumpservice Osprey Pump Controller Firmware.

## How do I fix CVE-2023-28395?

No fix has been published for CVE-2023-28395 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-28395 being exploited?

There is no known exploitation of CVE-2023-28395 in the wild and no public exploit code.

## Other vulnerabilities in ProPump and Controls, Inc. Osprey Pump Controller

- [CVE-2023-27394](https://insights.sbomify.com/CVE-2023-27394/): CVE-2023-27394 (critical 9.8)
- [CVE-2023-27886](https://insights.sbomify.com/CVE-2023-27886/): CVE-2023-27886 (critical 9.8)
- [CVE-2023-28398](https://insights.sbomify.com/CVE-2023-28398/): CVE-2023-28398 (critical 9.8)
- [CVE-2023-28654](https://insights.sbomify.com/CVE-2023-28654/): CVE-2023-28654 (critical 9.8)
- [CVE-2023-28712](https://insights.sbomify.com/CVE-2023-28712/): CVE-2023-28712 (high 8.2)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-28395 and fix it if it is affected.

What it is: CVE-2023-28395 is a high-severity authentication bypass vulnerability in ProPump and Controls, Inc. Osprey Pump Controller, published on 28 Mar 2023. 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-2023-28395 in the wild and no public exploit code.

Affected product: ProPump and Controls, Inc. Osprey Pump Controller. 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-2023-28395/ (Markdown: https://insights.sbomify.com/CVE-2023-28395/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-28395
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-28395
- OSV: https://osv.dev/vulnerability/CVE-2023-28395

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-28395/
Summaries are generated and may contain mistakes; the official description above is the record.