synced 9 MIN AGO
01 Record

CVE-2019-9494

The implementations of SAE in hostapd and wpa_supplicant are vulnerable to side-channel attacks

UnratedPUBLISHEDCNA: certcc
CNA base scoreUnratedNo CNA CVSS vector

02 Description

The implementations of SAE in hostapd and wpa_supplicant are vulnerable to side-channel attacks

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
3.87% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 89.8% of scored records. A rank, not a probability.
NVD base score
5.9 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2019-04-17 13:31Z7 YR AGO
Last updated
2024-08-04 21:54Z2 YR AGO
Reserved
2019-03-01
Assigning CNA
certcc
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-208Observable Timing DiscrepancyBase
  • CWE-524Use of Cache Containing Sensitive InformationBase
  • CWE-203Observable DiscrepancyBase
  • CWE-385Covert Timing ChannelBase
Data version
5.1
Document digest
85da5549b1bc75a7ae4c198ec3313e00591ba1fb3a2b62e2dad8542953f110ff

05 Affected products

VendorProductVersionsPlatforms
Wi-Fi Alliancehostapd with SAE support2.7 to 2.7—
Wi-Fi Alliancewpa_supplicant with SAE support2.7 to 2.7—

06 References

07 Fixed in

Debian 12

  • wpa
    Fixed in 2:2.7+git20190128+0c1e29f-4

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

  • wpa
    Fixed in 2:2.7+git20190128+0c1e29f-4

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

  • wpa
    Fixed in 2:2.7+git20190128+0c1e29f-4

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.