The kernel in Samsung Galaxy S2, Galaxy Note 2, MEIZU MX, and possibly other Android devices, when running an Exynos 4210 or 4412 processor, uses weak permissions (0666) for /dev/exynos-mem, which allows attackers to read or write arbitrary physical memory and gain privileges via a crafted application, as demonstrated by ExynosAbuse
Published Dec 18, 2012
9.3
HIGHCVSS 2.0
EPSS 15.10%
Description
The kernel in Samsung Galaxy S2, Galaxy Note 2, MEIZU MX, and possibly other Android devices, when running an Exynos 4210 or 4412 processor, uses weak permissions (0666) for /dev/exynos-mem, which allows attackers to read or write arbitrary physical memory and gain privileges via a crafted application, as demonstrated by ExynosAbuse.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 15.10% (0.15102) | 96.64th | v5 (v2026.06.15) |
| Jun 15, 2026 | 15.16% (0.15156) | 96.31th | v5 (v2026.06.15) |
| Jul 28, 2025 | 7.10% (0.07101) | 91.10th | v4 (v2025.03.14) |
| Apr 8, 2025 | 17.14% (0.17140) | 94.47th | v4 (v2025.03.14) |
| Mar 30, 2025 | 24.93% (0.24930) | 95.70th | v4 (v2025.03.14) |
| Mar 29, 2025 | 17.46% (0.17461) | 91.85th | v4 (v2025.03.14) |
| Mar 17, 2025 | 23.94% (0.23936) | 95.57th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.28% (0.00283) | 69.44th | v3 (v2023.03.01) |
| May 24, 2024 | 0.14% (0.00139) | 49.46th | v3 (v2023.03.01) |
| May 10, 2024 | 0.12% (0.00116) | 45.09th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.09% (0.00094) | 38.62th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.08% (0.00080) | 32.49th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.30% (0.00296) | 64.45th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.11% (0.01108) | 55.18th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.11% (0.01108) | 53.57th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.11% (0.01108) | 51.54th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.11% (0.01108) | 29.61th | v2 (v2022.01.01) |
References (7)
- http://arstechnica.com/security/2012/12/developer-warns-of-critical-vulnerability-in-many-samsung-smartphones/ x_refsource_MISC
- http://forum.xda-developers.com/showthread.php?p=35469999 x_refsource_MISCExploit
- http://forum.xda-developers.com/showthread.php?t=2051290 x_refsource_MISC
- http://osvdb.org/88467 vdb-entryx_refsource_OSVDB
- http://project-voodoo.org/articles/instant-fix-app-for-exynos-mem-abuse-vulnerability-no-root-required-reversible x_refsource_MISC
- http://www.sammobile.com/2012/12/16/major-vulnerability-found-on-exynos-4-devices/ x_refsource_MISC
- http://www.securityweek.com/new-vulnerability-exposed-samsungs-android-devices x_refsource_MISC
| Link | Providers | Tags |
|---|---|---|
| http://arstechnica.com/security/2012/12/developer-warns-of-critical-vulnerability-in-many-samsung-smartphones/ | x_refsource_MISC | |
| http://forum.xda-developers.com/showthread.php?p=35469999 | x_refsource_MISCExploit | |
| http://forum.xda-developers.com/showthread.php?t=2051290 | x_refsource_MISC | |
| http://osvdb.org/88467 | vdb-entryx_refsource_OSVDB | |
| http://project-voodoo.org/articles/instant-fix-app-for-exynos-mem-abuse-vulnerability-no-root-required-reversible | x_refsource_MISC | |
| http://www.sammobile.com/2012/12/16/major-vulnerability-found-on-exynos-4-devices/ | x_refsource_MISC | |
| http://www.securityweek.com/new-vulnerability-exposed-samsungs-android-devices | x_refsource_MISC |
Change history (0)
No recorded changes yet.