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CVE-2024-21668

16
FAUCET Score

CVE-2024-21668 affects react-native-mmkv versions prior to 2.11.0, where the optional encryption key for the MMKV database was logged to Android system logs. This medium-severity vulnerability (CVSS 4.9) allows an attacker with Android Debugging Bridge (ADB) access to trivially recover the encryption key, compromising data confidentiality. While the attack complexity is low, it requires high privileges (ADB access) on the affected device. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.11.0CPE matchmatch criteria
cpe:2.3:a:mrousavy:react-native-mmkv:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

4.4MEDIUM

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
0.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.38%
Probability of exploitation in next 30 days
EPSS Percentile
30.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0038 is in the 25th percentile among its peer group of 3,563 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: react-native-mmkvFixed in: 2.11.0

Vendor Advisories (1)

npmGHSA-4jh3-6jhv-2mgpmedium

react-native-mmkv Insertion of Sensitive Information into Log File vulnerability

Jan 9, 2024

References

github.com / mrousavy/react-native-mmkv/commit/a8995ccb7184281f7d168bad3e9987c9bd05f00d
Patch
github.com / mrousavy/react-native-mmkv/releases/tag/v2.11.0
Release Notes
github.com / mrousavy/react-native-mmkv/security/advisories/GHSA-4jh3-6jhv-2mgp
Vendor Advisory