CVE-2021-25376
CVE-2021-25376 is a low-severity vulnerability in Samsung Email with a CVSS 3.x base score of 3.1. 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-662.
Key facts
- Severity: Low (CVSS 3.x base score 3.1)
- CVSS v2: 5.0
- EPSS exploit prediction: 1% (52nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-662
- Affected product: Samsung Email
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2021-25376?
- 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.
- How severe is CVE-2021-25376?
- CVE-2021-25376 has a CVSS 3.x base score of 3.1, rated low severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
- Is CVE-2021-25376 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-25376?
- CVE-2021-25376 affects Samsung Email. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-25376?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-25376 published?
- CVE-2021-25376 was published on 2021-04-09 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:samsung:email:*:*:*:*:*:*:*:*
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