CVE-2021-1437

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).
Configurations

Configuration 1 (hide)

AND
cpe:2.3:a:cisco:aironet_access_point_software:-:*:*:*:*:*:*:*
OR cpe:2.3:h:cisco:1100_integrated_services_router:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:aironet_1540:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:aironet_1560:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:aironet_1800:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:aironet_2800:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:aironet_3800:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:aironet_4800:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_9100:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_iw6300:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:esw6300:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND
cpe:2.3:o:cisco:catalyst_9800_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_9800:-:*:*:*:*:*:*:*

Configuration 3 (hide)

cpe:2.3:a:cisco:wireless_lan_controller_software:*:*:*:*:*:*:*:*

History

22 May 2023, 18:57

Type Values Removed Values Added
CPE cpe:2.3:h:cisco:isr_1100:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:1100_integrated_services_router:-:*:*:*:*:*:*:*
First Time Cisco 1100 Integrated Services Router

21 Oct 2022, 19:49

Type Values Removed Values Added
CWE CWE-275 NVD-CWE-Other

31 Mar 2021, 17:11

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown
v2 : 5.0
v3 : 7.5
CPE cpe:2.3:h:cisco:aironet_1540:-:*:*:*:*:*:*:*
cpe:2.3:a:cisco:wireless_lan_controller_software:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_9100:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:aironet_2800:-:*:*:*:*:*:*:*
cpe:2.3:a:cisco:aironet_access_point_software:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:aironet_1560:-:*:*:*:*:*:*:*
cpe:2.3:o:cisco:catalyst_9800_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:aironet_1800:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:isr_1100:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_9800:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:aironet_4800:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:catalyst_iw6300:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:esw6300:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:aironet_3800:-:*:*:*:*:*:*:*
References (CISCO) https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-aironet-info-disc-BfWqghj - (CISCO) https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-aironet-info-disc-BfWqghj - Vendor Advisory

24 Mar 2021, 21:15

Type Values Removed Values Added
New CVE

Information

Published : 2021-03-24 20:15

Updated : 2023-12-10 13:41


NVD link : CVE-2021-1437

Mitre link : CVE-2021-1437

CVE.ORG link : CVE-2021-1437


JSON object : View

Products Affected

cisco

  • aironet_access_point_software
  • aironet_1540
  • aironet_1800
  • wireless_lan_controller_software
  • aironet_1560
  • esw6300
  • aironet_2800
  • aironet_4800
  • catalyst_9800
  • catalyst_9800_firmware
  • aironet_3800
  • 1100_integrated_services_router
  • catalyst_9100
  • catalyst_iw6300
CWE
NVD-CWE-Other CWE-275

Permission Issues