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8.6
HIGH CVSS 3.1
CVE-2020-3559
Cisco Aironet Access Point Authentication Flood Denial of Service Vulnerability
Description

A vulnerability in Cisco Aironet Access Point (AP) Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to improper handling of clients that are trying to connect to the AP. An attacker could exploit this vulnerability by sending authentication requests from multiple clients to an affected device. A successful exploit could allow the attacker to cause the affected device to reload.

INFO

Published Date :

Sept. 24, 2020, 6:15 p.m.

Last Modified :

Nov. 21, 2024, 5:31 a.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Affected Products

The following products are affected by CVE-2020-3559 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Cisco access_points
2 Cisco aironet_access_point_software
3 Cisco wireless_lan_controller
4 Cisco business_access_points
5 Cisco catalyst_9800-40
6 Cisco catalyst_9800-80
7 Cisco catalyst_9800-cl
8 Cisco catalyst_9800-l
9 Cisco catalyst_9800-l-c
10 Cisco catalyst_9800-l-f
11 Cisco 1111-4pwe
12 Cisco 1111-8pwb
13 Cisco 1113-8plteeawe
14 Cisco 1113-8pmwe
15 Cisco 1113-8pwe
16 Cisco 1116-4plteeawe
17 Cisco 1116-4pwe
18 Cisco 1117-4plteeawe
19 Cisco 1117-4pmlteeawe
20 Cisco 1117-4pmwe
21 Cisco 1117-4pwe
22 Cisco aironet_1830e
23 Cisco aironet_1830i
24 Cisco aironet_1850e
25 Cisco aironet_1850i
26 Cisco aironet_1815
27 Cisco 1111-8plteeawb
28 Cisco business_140ac
29 Cisco business_145ac
30 Cisco business_240ac
: Total Affected Vendor : 1 | Products : 30
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 HIGH [email protected]
CVSS 3.0 MEDIUM [email protected]
CVSS 3.1 HIGH [email protected]
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-3559.

URL Resource
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-aironet-dos-h3DCuLXw Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-aironet-dos-h3DCuLXw Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-3559 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-3559 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-3559 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2020-3559 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-aironet-dos-h3DCuLXw
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CPE Deprecation Remap by [email protected]

    Apr. 16, 2021

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:cisco:wireless_lan_controller:*:*:*:*:*:*:*:* versions from (excluding) 8.5.161.0 OR *cpe:2.3:o:cisco:wireless_lan_controller_software:*:*:*:*:*:*:*:* versions from (excluding) 8.5.161.0
  • CPE Deprecation Remap by [email protected]

    Apr. 16, 2021

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:cisco:wireless_lan_controller:*:*:*:*:*:*:*:* versions from (including) 8.6 from (excluding) 8.8.130.0 OR *cpe:2.3:o:cisco:wireless_lan_controller_software:*:*:*:*:*:*:*:* versions from (including) 8.6 from (excluding) 8.8.130.0
  • Reanalysis by [email protected]

    Oct. 23, 2020

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Oct. 06, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:C)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
    Changed Reference Type https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-aironet-dos-h3DCuLXw No Types Assigned https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-aironet-dos-h3DCuLXw Vendor Advisory
    Added CWE NIST CWE-400
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:wireless_lan_controller:*:*:*:*:*:*:*:* versions up to (excluding) 8.5.161.0 *cpe:2.3:o:cisco:wireless_lan_controller:*:*:*:*:*:*:*:* versions from (including) 8.6 up to (excluding) 8.8.130.0 *cpe:2.3:o:cisco:wireless_lan_controller:*:*:*:*:*:*:*:* versions from (including) 8.9 up to (excluding) 8.10.112.0 OR cpe:2.3:h:cisco:1111-4pwe:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:1111-8plteeawb:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:1111-8pwb:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:1113-8plteeawe:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:1113-8pmwe:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:1113-8pwe:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:1116-4plteeawe:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:1116-4pwe:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:1117-4plteeawe:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:1117-4pmlteeawe:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:1117-4pmwe:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:1117-4pwe:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:aironet_1815:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:aironet_1830e:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:aironet_1830i:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:aironet_1850e:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:aironet_1850i:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:business_140ac:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:business_145ac:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:business_240ac:-:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:cisco:business_access_points:*:*:*:*:*:*:*:* versions from (including) 10.0 up to (excluding) 10.1.1.0
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:access_points:*:*:*:*:*:*:*:* versions up to (excluding) 16.12.4a OR cpe:2.3:h:cisco:catalyst_9800-40:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_9800-80:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_9800-cl:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_9800-l:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_9800-l-c:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:catalyst_9800-l-f:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:a:cisco:aironet_access_point_software:8.5\(151.0\):*:*:*:*:*:*:* *cpe:2.3:a:cisco:aironet_access_point_software:17.2.0.26:*:*:*:*:*:*:* OR cpe:2.3:h:cisco:aironet_1850e:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:aironet_1850i:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 8.6
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 6.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 7.8
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

1.28 }} 0.06%

score

0.77704

percentile