CVE-2021-25372
Samsung — Samsung Mobile Devices Improper Boundary Check Vulnerability
Samsung · CWE-787 — Out-of-bounds write | CWE-703 · in CISA KEV since 2023-06-29
KEV since 2023 · listed over a yearCISA KEVActively Exploited
75
EVRS 75 of 100 Urgent
Patch This Cycle
Rank 1,320 of 2,960 tracked
Raised to the floor for a confirmed exploited vulnerability.
Why it scores 75
Evidence available: 6 of 7 signalsListed in the CISA KEV catalog, and an EPSS probability of 0.008.
- CISA KEVApplied
- RansomwareDid not apply
- Vendor exploitationDid not apply
- EPSSApplied
- Microsoft Exploitability IndexNot applicable
- Pre-patch disclosureNo data
- KEV recencyDid not apply
- CVSSApplied
The band answers “how soon”, not “how bad”. No data for: Pre-patch disclosure. Why some signals show no data
Fix
No fixed version identified yetCISA required action
Affected versions
- android
10.011.0 - exynos 2100
- exynos 980
- exynos 9830
Remediation
Apply updates per vendor instructions or discontinue use of the product if updates are unavailable
Evidence
Each value with its source| Measure | Value | Source |
|---|---|---|
| CVSS base scoreHow severe the flaw is in itself. It does not say how likely an attack is. | 6.7 | NVD |
| FIRST EPSSFIRST's estimate of the chance this is exploited in the next 30 days, and how that ranks against all CVEs. | 0.008 (56.2nd pctl) | FIRST EPSS |
| Actively exploitedWhether a source of record has confirmed attacks using it in the wild. | Confirmed | CISA KEV |
| Ransomware campaign useWhether CISA has seen ransomware operators use it. | Unknown or none | CISA KEV |
| CISA remediation deadlineThe date US federal agencies must have fixed or mitigated it. | 2023-07-20 · KEV since 2023 · listed over a year | CISA KEV |
| Public exploit moduleA module existing is not the same as active exploitation. | None known | Metasploit |
| EUVD cross-referenceENISA's record: CVSS 6.1 (v3.1), assigned by Samsung Mobile. | Listed | ENISA EUVD |
Description
NVDAn improper boundary check in DSP driver prior to SMR Mar-2021 Release 1 allows out of bounds memory access.
What CISA says to do