How severe is CVE-2023-42553?

CVE-2023-42553 has a CVSS 3.x base score of 4.0, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2023-42553 being actively exploited?

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

What products are affected by CVE-2023-42553?

CVE-2023-42553 affects Samsung Email. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-42553?

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

When was CVE-2023-42553 published?

CVE-2023-42553 was published on 2023-11-07 and last updated on 2026-06-17.

CVE-2023-42553

CVE-2023-42553 is a medium-severity vulnerability in Samsung Email with a CVSS 3.x base score of 4.0. 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-863.

Key facts

Severity: Medium (CVSS 3.x base score 4.0)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Samsung Email
Published: 2023-11-07
Last modified: 2026-06-17

Description

Improper authorization verification vulnerability in Samsung Email prior to version 6.1.90.4 allows attackers to read sandbox data of email.

Frequently asked questions

What is CVE-2023-42553?: Improper authorization verification vulnerability in Samsung Email prior to version 6.1.90.4 allows attackers to read sandbox data of email.
How severe is CVE-2023-42553?: CVE-2023-42553 has a CVSS 3.x base score of 4.0, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2023-42553 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-42553?: CVE-2023-42553 affects Samsung Email. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-42553?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-42553 published?: CVE-2023-42553 was published on 2023-11-07 and last updated on 2026-06-17.

References

https://security.samsungmobile.com/serviceWeb.smsb?year=2023&month=11

Affected products (1)

cpe:2.3:a:samsung:email:*:*:*:*:*:*:*:*

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