CVE-2021-4438

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.26% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 17.7% of scored records. A rank, not a probability.

NVD base score

5.3 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2024-04-07 09:00Z2 YR AGO

Last updated

2024-08-03 17:30Z2 YR AGO

Reserved

2024-04-05

Assigning CNA

VulDB

Record state

PUBLISHED

Severity

Medium (CVSS 5.3)

CNA CVSS vector

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

Weaknesses

• CWE-926Improper Export of Android Application ComponentsVariant

Data version

5.1

Document digest

1e2688469c6c6f664872dd5e2f0305667f9a97193c7ee148401b1628d54cc3fe

• vuldb.comVDB-259508 | kyivstarteam react-native-sms-user-consent SmsUserConsentModule.kt registerReceiver improper export of android application componentshttps://vuldb.com/?id.259508vdb-entrytechnical-description
• vuldb.comVDB-259508 | CTI Indicators (IOB, IOC, IOA)https://vuldb.com/?ctiid.259508signaturepermissions-required
• github.comhttps://github.com/kyivstarteam/react-native-sms-user-consent/pull/4issue-tracking
• github.comhttps://github.com/kyivstarteam/react-native-sms-user-consent/commit/5423dcb0cd3e4d573b5520a71fa08aa279e4c3c7patch
• github.comhttps://github.com/kyivstarteam/react-native-sms-user-consent/releases/tag/1.1.5patch