Home→Vulnerabilities→CVE-2021-4438
Disclosed

CVE-2021-4438

A vulnerability, which was classified as critical, has been found in kyivstarteam react-native-sms-user-consent up to 1.1.4 on Android. Affected by this issue is the function registerReceiver of the file android/src/main/java/ua/kyivstar/reactnativesmsuserconsent/SmsUserConsentModule.kt. The manipulation leads to improper export of android application components. Attacking locally is a requirement. Upgrading to version 1.1.5 is able to address this issue. The name of the patch is 5423dcb0cd3e4d573b5520a71fa08aa279e4c3c7. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-259508.

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Exploitation Probability (EPSS)

Low Priority
0.04%

The Exploit Prediction Scoring System (EPSS) uses machine learning to estimate the probability that a vulnerability will be exploited in the wild within the next 30 days.

0% (Theoretical)100% (Certainty)

7-Day Exploitation Trend

Vulnerability Timeline

2 events
Apr 7, 2024
Vulnerability Disclosed
Published to component-level vulnerability database.
Mar 21, 2025
Last Updated
Record updated with new analysis or tags.

Threat Actor Attribution

PREMIUM INTEL
Associated Groups:Lazarus Group, APT28
Ransomware Campaigns:LockBit 3.0, BlackCat
IoCs (Indicators):14 IPs, 3 Hashes

Remediation & Mitigation

SOLUTION

Official patches and mitigation steps are available for this vulnerability.

# Update Command
apt-get update && apt-get upgrade -y specific-package
# Verify installation
dpkg -l | grep package-name

Affected Products

1 Total
kyivstar/react_native_sms_user_consentAll Versions

References

https://github.com/kyivstarteam/react-native-sms-user-consent/commit/5423dcb0cd3e4d573b5520a71fa08aa279e4c3c7GitHub
Patch
https://github.com/kyivstarteam/react-native-sms-user-consent/pull/4GitHub
Patch
https://github.com/kyivstarteam/react-native-sms-user-consent/releases/tag/1.1.5GitHub
Release Notes
https://vuldb.com/?ctiid.259508Vuldb
Third Party AdvisoryVDB Entry

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Check your domain or package.json for CVE-2021-4438 exposure.

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Vulnerability Details

CVSS Base Score
5.3/ 10
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Published Date
Apr 7, 2024
Last Modified
Mar 21, 2025
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