CVE-2024-21668: react-native-mmkv is a library that allows easy use of MMKV inside React Native applications

Routine

MEDIUM 4.4UPGRADE

CVE-2024-21668 is a medium-severity flaw (CVSS 4.4) affecting react-native-mmkv. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

react-native-mmkv is a library that allows easy use of MMKV inside React Native applications. Before version 2.11.0, the react-native-mmkv logged the optional encryption key for the MMKV database into the Android system log. The key can be obtained by anyone with access to the Android Debugging Bridge (ADB) if it is enabled in the phone settings. This bug is not present on iOS devices. By logging the encryption secret to the system logs, attacker

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.4 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.4% (top 68%)
CISA exploited list	No
Weakness	CWE-532
Published	2024-01-09
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: mrousavy

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-01-09 19:15 UTCPublished CVE record published
2026-06-17 07:09 UTCUpdated Record last modified

mrousavy react-native-mmkv UPGRADE

Affected: < 2.11.0

Fixed in: 2.11.0

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls react-native-mmkv

2. UPGRADE to 2.11.0

npm install react-native-mmkv@">=2.11.0"

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-21668?

react-native-mmkv: upgrade to 2.11.0. Exact commands for each OS are on this page.

Is CVE-2024-21668 being exploited?

CVE-2024-21668 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-21668 affect?

CVE-2024-21668 affects react-native-mmkv. Severity is medium (CVSS 4.4). react-native-mmkv is a library that allows easy use of MMKV inside React Native applications. Before version 2.11.0, the react-native-mmkv logged the optional encryption key for the MMKV database into the Android system log. The key can be

How urgent is CVE-2024-21668?

Priority 23/100. No elevated risk signals yet.

Software pages

React vulnerabilities · Android vulnerabilities · iOS vulnerabilities

References

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