---
id: CVE-2021-42951
title: >-
  A Remote Code Execution (RCE) vulnerability exists in Algorithmia MSOL all
  versions before October 10 2021 of SaaS
summary: >-
  A Remote Code Execution (RCE) vulnerability exists in Algorithmia MSOL all
  versions before October 10 2021 of SaaS. Users can register for an account and
  are allocated a set number of credits to try the product. Once users
  authenticate, …
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
vendor: algorithmia
product: msol
affected:
  - msol < 2021-10-10
patched:
  - msol 2021-10-10
published: '2022-03-01'
updated: '2026-07-05'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2021-42951'
references:
  - url: 'https://seclists.org/fulldisclosure/2022/Feb/33'
    label: cve@mitre.org
  - url: 'http://algorithmia.com'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://seclists.org/fulldisclosure/2022/Feb/33'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.01571
epssPercentile: 0.74345
ingestedAt: '2026-07-06T17:03:23.911Z'
---

## Overview

A Remote Code Execution (RCE) vulnerability exists in Algorithmia MSOL all versions before October 10 2021 of SaaS. Users can register for an account and are allocated a set number of credits to try the product. Once users authenticate, they can proceed to create a new, specially crafted Algorithm and subsequently launch remote code execution with their desired result.

## Affected

- `msol < 2021-10-10`

## Remediation

Upgrade past the affected range:

- `msol 2021-10-10`