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CVE-2021-1437

Cisco Aironet Access Points FlexConnect Upgrade Information Disclosure Vulnerability

Published: Mar 24, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-275
NVD MITRE
7.5CVSSHIGH
EPSS Score
1.5%
Top 29.2%
CISA KEV
Not in KEV
Exploits
0 Known
Remediation
Patch Available

Description

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 Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-275NVD-CWE-Other

Affected Products

aironet access point softwareciscoNetworking Infrastructure
catalyst 9800 firmwareciscoNetworking Infrastructure
wireless lan controller softwareciscoNetworking Infrastructure
Cisco Aironet Access Point SoftwareCiscoNetworking Infrastructure
Cisco Aironet 1540Cisco Systems Inc.Networking Infrastructure
ciscocommercialUSNetworking Infrastructureaka cisco systems, cisco systems inc.
cisco systems inc.commercialUSNetworking Infrastructureaka cisco systems, cisco
and 7 more affected products View all →

Exploitability

0 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-aironet-info-disc-BfWqghj
tools.cisco.com

Timeline

Published
Mar 24, 2021
Last Updated
Nov 21, 2024

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