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:-:*:*:*:*:*:*:*

21 Oct 2022, 19:49

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

Information

Published : 2021-03-24 20:15

Updated : 2024-02-04 21:23


NVD link : CVE-2021-1437

Mitre link : CVE-2021-1437

CVE.ORG link : CVE-2021-1437


JSON object : View

Products Affected

cisco

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

Permission Issues