Samsung Mobile Devices Race Condition Vulnerability
A race condition in MFC charger driver prior to SMR MAY-2021 Release 1 allows local attackers to bypass signature check given a radio privilege is compromised.
Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.
Exploitation probability EPSS · FIRST
Exploitation signals 2 / 5
- KEV catalog (CISA)29 Jun 2023
- Exploited in EUVD (ENISA)29 Jun 2023
- Used by ransomwareno
- EPSS above 10 %0.37%
- No account, over the networkno
What to do
Fix
Apply the vendor’s fix as soon as it is available.
CISA guidance: Apply updates per vendor instructions or discontinue use of the product if updates are unavailable
Meanwhile
Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.
Manufacturers (CRA)
Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained
Affected products
- O(8.x), P(9.0), Q(10.0), R(11.0) <SMR MAY-2021 Release 1
Open source packages OSV
Affected libraries according to OSV, with fixed versions.
Timeline
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Published
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Exploitation reported (ENISA)
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Added to the KEV catalog
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CISA remediation due date
References
Other exploited vulnerabilities from the same vendor
- CVE-2024-7399Samsung MagicINFO 9 Server Path Traversal Vulnerability8.1 · Background exploitation
- CVE-2025-21042Samsung Mobile Devices Out-of-Bounds Write Vulnerability7.0 · Background exploitation
- CVE-2025-21043Samsung Mobile Devices Out-of-Bounds Write Vulnerability5.4 · Background exploitation
- CVE-2025-4632Samsung MagicINFO 9 Server Path Traversal Vulnerability7.0 · Background exploitation
- CVE-2022-22265Samsung Mobile Devices Use-After-Free Vulnerability3.2 · Background exploitation
- CVE-2021-25489Samsung Mobile Devices Improper Input Validation Vulnerability2.5 · Background exploitation