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CVE-2021-1449

Cisco Access Point Software Arbitrary Code Execution Vulnerability

A vulnerability in the boot logic of Cisco Access Points Software could allow an authenticated, local attacker to execute unsigned code at boot time. The vulnerability is due to an improper check that is performed by the area of code that manages system startup processes. An attacker could exploit this vulnerability by modifying a specific file that is stored on the system, which would allow the attacker to bypass existing protections. A successful exploit could allow the attacker to execute unsigned code at boot time and bypass the software image verification check part of the secure boot process of an affected device. Note: To exploit this vulnerability, the attacker would need to have access to the development shell (devshell) on the device.

CVSS 3.1 · 6.7 Medium EPSS < 1% KEV · Not listed
Vendors
Cisco
Products
1100 Integrated Services Router Aironet 1540 Aironet 1560 and 11 more
CVE-2021-1437

Cisco Aironet Access Points FlexConnect Upgrade Information Disclosure Vulnerability

A vulnerability in the FlexConnect Upgrade feature of Cisco Aironet Series Access Points Software could allow an unauthenticated, remote attacker to obtain confidential information from an affected device. This vulnerability is due to an unrestricted Trivial File Transfer Protocol (TFTP) configuration. An attacker could exploit this vulnerability by sending a specific TFTP request to an affected device. A successful exploit could allow the attacker to download any file from the filesystem of the affected access point (AP).

CVSS 3.1 · 7.5 High EPSS 1.5% KEV · Not listed
Vendors
Cisco
Products
1100 Integrated Services Router Aironet 1540 Aironet 1560 and 11 more
CVE-2021-1423

Cisco Aironet Access Points Arbitrary File Overwrite Vulnerability

A vulnerability in the implementation of a CLI command in Cisco Aironet Access Points (AP) could allow an authenticated, local attacker to overwrite files in the flash memory of the device. This vulnerability is due to insufficient input validation for a specific command. An attacker could exploit this vulnerability by issuing a command with crafted arguments. A successful exploit could allow the attacker to overwrite or create files with data that is already present in other files that are hosted on the affected device.

CVSS 3.1 · 4.4 Medium EPSS < 1% KEV · Not listed
Vendors
Cisco
Products
1100 Integrated Services Router Aironet 1540 Aironet 1560 and 11 more
CVE-2021-1419

Cisco Access Points SSH Management Privilege Escalation Vulnerability

A vulnerability in the SSH management feature of multiple Cisco Access Points (APs) platforms could allow a local, authenticated user to modify files on the affected device and possibly gain escalated privileges. The vulnerability is due to improper checking on file operations within the SSH management interface. A network administrator user could exploit this vulnerability by accessing an affected device through SSH management to make a configuration change. A successful exploit could allow the attacker to gain privileges equivalent to the root user.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Cisco
Products
1100-8p 1100-8p Firmware 1120 and 81 more
CVE-2020-3560

Cisco Aironet Access Points UDP Flooding Denial of Service Vulnerability

A vulnerability in Cisco Aironet Access Points (APs) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) on an affected device. The vulnerability is due to improper resource management while processing specific packets. An attacker could exploit this vulnerability by sending a series of crafted UDP packets to a specific port on an affected device. A successful exploit could either allow the attacker to tear down the connection between the AP and the wireless LAN controller, resulting in the affected device not being able to process client traffic, or cause the vulnerable device to reload, triggering a DoS condition. After the attack, the affected device should automatically recover its normal functions without manual intervention.

CVSS 3.1 · 8.6 High EPSS 1.4% KEV · Not listed
Vendors
Cisco
Products
1111-4pwe 1111-8plteeawb 1111-8pwb and 46 more
CVE-2020-3559

Cisco Aironet Access Point Authentication Flood Denial of Service Vulnerability

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.

CVSS 3.1 · 8.6 High EPSS 1.4% KEV · Not listed
Vendors
Cisco
Products
1111-4pwe 1111-8plteeawb 1111-8pwb and 27 more
CVE-2020-3552

Cisco Aironet Access Points Ethernet Wired Clients Denial of Service Vulnerability

A vulnerability in the Ethernet packet handling of Cisco Aironet Access Points (APs) Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by connecting as a wired client to the Ethernet interface of an affected device and sending a series of specific packets within a short time frame. A successful exploit could allow the attacker to cause a NULL pointer access that results in a reload of the affected device.

CVSS 3.1 · 7.4 High EPSS < 1% KEV · Not listed
Vendors
Cisco
Products
Access Points Aironet 1542d Aironet 1542i and 25 more
CVE-2018-0382

Cisco Wireless LAN Controller Software Session Hijacking Vulnerability

A vulnerability in the session identification management functionality of the web-based interface of Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, remote attacker to hijack a valid user session on an affected system. The vulnerability exists because the affected software does not properly clear previously assigned session identifiers for a user session when a user authenticates to the web-based interface. An attacker could exploit this vulnerability by using an existing session identifier to connect to the software through the web-based interface. Successful exploitation could allow the attacker to hijack an authenticated user's browser session on the system. Versions 8.1 and 8.5 are affected.

CVSS 3.0 · 5.3 Medium EPSS 2.0% KEV · Not listed
Vendors
Cisco
Products
Wireless Lan Controller Software