Vulnerability Details : CVE-2019-9496

An invalid authentication sequence could result in the hostapd process terminating due to missing state validation steps when processing the SAE confirm message when in hostapd/AP mode. All version of hostapd with SAE support are vulnerable. An attacker may force the hostapd process to terminate, performing a denial of service attack. Both hostapd with SAE support and wpa_supplicant with SAE support prior to and including version 2.7 are affected.
Vulnerability category: BypassGain privilegeDenial of service
Published 2019-04-17 14:29:04
Updated 2019-05-15 22:29:02
Source CERT/CC
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2019-9496

Probability of exploitation activity in the next 30 days: 0.74%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 79 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2019-9496

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
5.0
 MEDIUM AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
 nvd@nist.gov
7.5
 HIGH CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.9
3.6
 nvd@nist.gov

CWE ids for CVE-2019-9496

  • When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
    Assigned by: nvd@nist.gov (Primary)
  • The product stores security-critical state information about its users, or the product itself, in a location that is accessible to unauthorized actors.
    Assigned by: cret@cert.org (Secondary)

References for CVE-2019-9496

Products affected by CVE-2019-9496

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