How severe is CVE-2023-21432?

CVE-2023-21432 has a CVSS 3.x base score of 4.2, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2023-21432 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-21432?

CVE-2023-21432 affects Samsung Smart Things. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-21432?

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

When was CVE-2023-21432 published?

CVE-2023-21432 was published on 2023-02-09 and last updated on 2026-06-17.

CVE-2023-21432

CVE-2023-21432 is a medium-severity vulnerability in Samsung Smart Things with a CVSS 3.x base score of 4.2. 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-285.

Key facts

Severity: Medium (CVSS 3.x base score 4.2)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-285
Affected product: Samsung Smart Things
Published: 2023-02-09
Last modified: 2026-06-17

Description

Improper access control vulnerabilities in Smart Things prior to 1.7.93 allows to attacker to invite others without authorization of the owner.

Frequently asked questions

What is CVE-2023-21432?: Improper access control vulnerabilities in Smart Things prior to 1.7.93 allows to attacker to invite others without authorization of the owner.
How severe is CVE-2023-21432?: CVE-2023-21432 has a CVSS 3.x base score of 4.2, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2023-21432 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-21432?: CVE-2023-21432 affects Samsung Smart Things. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-21432?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-21432 published?: CVE-2023-21432 was published on 2023-02-09 and last updated on 2026-06-17.

References

https://security.samsungmobile.com/serviceWeb.smsb?year=2023&month=01

Affected products (1)

cpe:2.3:a:samsung:smart_things:*:*:*:*:*:*:*:*

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