CVE-2021-25489
Samsung Mobile Devices: Improper Input Validation
As of , CVE-2021-25489 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 29 June 2023
- US federal deadline
- 20 July 202321 days after CISA listed it. US federal civilian agencies must fix it by then.
- Used in ransomware campaigns
- Not known to CISA
- EPSS score
- 0.01Higher than 42% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
- EPSS when listed
- 0.00 on 29 June 2023EPSS 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 or discontinue use of the product if updates are unavailable
CISA's required action
What the flaw is
Samsung mobile devices contain an improper input validation vulnerability within the modem interface driver that results in a format string bug leading to kernel panic.
CISA's description
Assuming radio permission is gained, missing input validation in modem interface driver prior to SMR Oct-2021 Release 1 results in format string bug leading to kernel panic.
The CVE record's description, from Samsung Mobile
- CVE published
- 6 October 2021
- Assigned by
- Samsung Mobile
- CVSS
- 3.3 Low (CVSS 3.1, from the CNA)
- CWE-20
- Improper Input Validation
- 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-2021-25337Improper Access Control | Samsung Mobile Devices | Patch soon | 0.03 | ||
| 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-2021-25394Race 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