How severe is CVE-2021-4438?

CVE-2021-4438 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2021-4438 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-4438?

CVE-2021-4438 affects Kyivstar React Native Sms User Consent. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-4438?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2021-4438 have an EU (EUVD) identifier?

Yes. CVE-2021-4438 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-1296.

When was CVE-2021-4438 published?

CVE-2021-4438 was published on 2024-04-07 and last updated on 2026-06-17.

CVE-2021-4438

CVE-2021-4438 is a medium-severity vulnerability in Kyivstar React Native Sms User Consent with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-926.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 4.3
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-1296
Weakness: CWE-926
Affected product: Kyivstar React Native Sms User Consent
Published: 2024-04-07
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2021-4438?: CVE-2021-4438 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2021-4438 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-4438?: CVE-2021-4438 affects Kyivstar React Native Sms User Consent. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-4438?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2021-4438 have an EU (EUVD) identifier?: Yes. CVE-2021-4438 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-1296.
When was CVE-2021-4438 published?: CVE-2021-4438 was published on 2024-04-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:kyivstar:react_native_sms_user_consent:*:*:*:*:*:*:*:*

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