Systems with microprocessors utilizing speculative execution and that perform speculative reads of system registers may allow unauthorized disclosure of system parameters to an attacker with local user access via a side-channel analysis, aka Rogue System Register Read (RSRE), Variant 3a.
Published 2018-05-22 12:29:00
Updated 2020-08-24 17:37:01
View at NVD,   CVE.org

Products affected by CVE-2018-3640

Exploit prediction scoring system (EPSS) score for CVE-2018-3640

0.62%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 79 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-3640

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.7
MEDIUM AV:L/AC:M/Au:N/C:C/I:N/A:N
3.4
6.9
NIST
5.6
MEDIUM CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
1.1
4.0
NIST

CWE ids for CVE-2018-3640

  • The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-3640

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