CVE-2021-25337
Samsung Mobile Devices: Improper Access Control
As of , CVE-2021-25337 in Samsung Mobile Devices is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch soon.
- Exploited
- Yes: CISA listed it on 8 November 2022
- US federal deadline
- 29 November 202221 days after CISA listed it. US federal civilian agencies must fix it by then.
- Used in ransomware campaigns
- Not known to CISA
- EPSS score
- 0.03Higher than 86% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
- EPSS when listed
- 0.01 on 8 November 2022EPSS on the day CISA listed it.
- Public exploit
- None foundNeither Metasploit nor Exploit-DB lists one.
- Fix
- Vendor advice: security.samsungmobile.comLinks below, from CISA's entry.
What CISA says to do
Apply updates per vendor instructions.
CISA's required action
What the flaw is
Samsung mobile devices contain an improper access control vulnerability in clipboard service which allows untrusted applications to read or write arbitrary files. This vulnerability was chained with CVE-2021-25369 and CVE-2021-25370.
CISA's description
Improper access control in clipboard service in Samsung mobile devices prior to SMR Mar-2021 Release 1 allows untrusted applications to read or write certain local files.
The CVE record's description, from Samsung Mobile
- CVE published
- 4 March 2021
- Assigned by
- Samsung Mobile
- CVSS
- 4.4 Medium (CVSS 3.1, from the CNA)
- CWE-269
- Improper Privilege Management
- CISA SSVC, exploitation
- active
- CISA SSVC, automatable
- no
- CISA SSVC, technical impact
- partial
Timeline
- The CVE record was published.
- CISA added it to its list of exploited vulnerabilities.
- The US federal deadline to fix it.
Mobile Devices: other exploited entries
| Vulnerability | Product | Our group | Listed | Deadline | EPSS |
|---|---|---|---|---|---|
| CVE-2025-21042Out-of-Bounds Write | Samsung Mobile Devices | Patch soon | 0.33 | ||
| CVE-2023-21492Insertion of Sensitive Information Into Log File | Samsung Mobile Devices | Patch soon | 0.03 | ||
| CVE-2025-21043Out-of-Bounds Write | Samsung Mobile Devices | Patch soon | 0.02 | ||
| CVE-2021-25369Improper Access Control | Samsung Mobile Devices | Patch soon | 0.01 | ||
| CVE-2021-25370Memory Corruption | Samsung Mobile Devices | Patch soon | 0.01 | ||
| CVE-2021-25371Unspecified | Samsung Mobile Devices | Patch soon | 0.01 | ||
| CVE-2021-25372Improper Boundary Check | Samsung Mobile Devices | Patch soon | 0.01 | ||
| CVE-2021-25487Out-of-Bounds Read | Samsung Mobile Devices | Patch soon | 0.01 | ||
| CVE-2021-25489Improper Input Validation | Samsung Mobile Devices | Patch soon | 0.01 | ||
| CVE-2021-25394Race Condition | Samsung Mobile Devices | Patch soon | 0.00 |
Read further
- CVE recordcve.org
- NVD entrynvd.nist.gov
- CISA's catalogcisa.gov
- EPSS for this CVEapi.first.org