Is CVE-2021-25376 in the CISA KEV catalog?

No. CVE-2021-25376 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-25376?

CVE-2021-25376 has a CVSS v3 base score of 3.1 (LOW).

What is the EPSS score for CVE-2021-25376?

CVE-2021-25376 has an EPSS score of 0.79% (52th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-25376?

Upgrade email to 6.1.41.0 or later.

CVE & CISA-KEV Catalog

CVE-2021-25376

LOW

3.1

CVSS v3

NVD

Description

An improper synchronization logic in Samsung Email prior to version 6.1.41.0 can leak messages in certain mailbox in plain text when STARTTLS negotiation is failed.

CWE-200Information Exposure CWE-662

How to fix

Remediation Available

emailNVD

Affected:< 6.1.41.0Fixed in:6.1.41.0CVE-2021-25376derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorAdjacent

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.79%probability of exploitation in 30 days

52ndpercentile

Moderate risk: more likely to be exploited than 52% of all known CVEs.

References

Vendor Advisory2

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.