CVE-2019-1826 — MEDIUM (6.8)

Vulnerability Description

A vulnerability in the quality of service (QoS) feature of Cisco Aironet Series Access Points (APs) could allow an authenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper input validation on QoS fields within Wi-Fi frames by the affected device. An attacker could exploit this vulnerability by sending malformed Wi-Fi frames to an affected device. A successful exploit could allow the attacker to cause the affected device to crash, resulting in a DoS condition.

CVSS Score

6.8

MEDIUM

CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Cisco	Aironet Access Point Firmware	-
Cisco	Aironet 1562D	-
Cisco	Aironet 1562E	-
Cisco	Aironet 1562I	-
Cisco	Aironet 2800E	-
Cisco	Aironet 2800I	-
Cisco	Aironet 3800E	-
Cisco	Aironet 3800I	-
Cisco	Aironet 3800P	-
Cisco	Aironet 4800	-
Cisco	Aironet 1850E	-
Cisco	Aironet 1850I	-

Related Weaknesses (CWE)

CWE-20

References

http://www.securityfocus.com/bid/107988Third Party AdvisoryVDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-2Vendor Advisory
http://www.securityfocus.com/bid/107988Third Party AdvisoryVDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-2Vendor Advisory

FAQ

What is CVE-2019-1826?

CVE-2019-1826 is a vulnerability with a CVSS score of 6.8 (MEDIUM). A vulnerability in the quality of service (QoS) feature of Cisco Aironet Series Access Points (APs) could allow an authenticated, adjacent attacker to cause a denial of service (DoS) condition on an a...

How severe is CVE-2019-1826?

CVE-2019-1826 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-1826?

Check the references section above for vendor advisories and patch information. Affected products include: Cisco Aironet Access Point Firmware, Cisco Aironet 1562D, Cisco Aironet 1562E, Cisco Aironet 1562I, Cisco Aironet 2800E.