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CVE-2021-25344
Missing permission check in knox_custom service prior to SMR Mar-2021 Release 1 allows attackers to gain access to device's serial number…
Medium6.2EPSS 0.12%
- Published
- Updated
- Reserved
- Assigned by
- Samsung Mobile
Description
Missing permission check in knox_custom service prior to SMR Mar-2021 Release 1 allows attackers to gain access to device's serial number without permission.
Timeline
ID reserved
By Samsung Mobile
- 44 days later
· 44 days later
Published
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| Samsung MobileCNA (assigner) | 3.1 | Medium6.2 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVDNVD · Modified | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.12% · top 98% of all CVEs (7 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.2.
Weakness
- Exposure of Sensitive Information to an Unauthorized Actor
- CWE-862 (opens in a new tab)All about CWE-862 and its CVEs
Affected products
Samsung Mobile · Samsung Mobile Devices
- affected Q(10.0), R(11.0) – < SMR Mar-2021 Release 1
References (2)
- https://security.samsungmobile.com/securityUpdate.smsb (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://security.samsungmobile.com/ (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2021-25344)Record last updated .