Critical severity · published Apr 8, 2020
CVE-2018-21054
An issue was discovered on Samsung mobile devices with M(6.0), N(7.x) and O(8.x) except exynos9610/9820 in all Platforms, M(6.0) except MSM8909 SC77xx/9830 exynos3470/5420, N(7.0)…
9.8
CVSS
0.4%
EPSS
No
On KEV
Description
An issue was discovered on Samsung mobile devices with M(6.0), N(7.x) and O(8.x) except exynos9610/9820 in all Platforms, M(6.0) except MSM8909 SC77xx/9830 exynos3470/5420, N(7.0) except MSM8939, N(7.1) except MSM8996 SDM6xx/M6737T software. There is an integer underflow with a resultant buffer overflow in eCryptFS. The Samsung ID is SVE-2017-11857 (September 2018).
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 38% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AN
Android · Google
6.0; 7.0; 7.1.0; 7.1.1; 7.1.2; 8.0; +4 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-21054
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-21054
Vendor Advisory
https://security.samsungmobile.com/securityUpdate.smsb
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