Systems with microprocessors utilizing speculative execution and speculative execution of memory reads before the addresses of all prior memory writes are known may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis, aka Speculative Store Bypass (SSB), Variant 4.
Published 2018-05-22 12:29:00
Updated 2021-08-13 15:26:44
View at NVD,   CVE.org

Threat overview for CVE-2018-3639

Top countries where our scanners detected CVE-2018-3639
Top open port discovered on systems with this issue 80
IPs affected by CVE-2018-3639 649
Threat actors abusing to this issue? Yes
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Exploit prediction scoring system (EPSS) score for CVE-2018-3639

Probability of exploitation activity in the next 30 days: 0.16%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 53 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2018-3639

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
2.1
LOW AV:L/AC:L/Au:N/C:P/I:N/A:N
3.9
2.9
nvd@nist.gov
5.5
MEDIUM CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
1.8
3.6
nvd@nist.gov

CWE ids for CVE-2018-3639

  • 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-2018-3639

Products affected by CVE-2018-3639

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