CVEvulnerability

CVE-2021-1423

4.4 MEDIUM Published 2021-03-24 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-03-24
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
4.4 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
CVSS 3.1 ([email protected])
4.4 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
CVSS 2.0 ([email protected])
2.1 LOW — AV:L/AC:L/Au:N/C:N/I:P/A:N
Weaknesses
CWE-668

Description

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.

Affected configurations

• cisco aironet access point software • cisco catalyst 9800 firmware (< 16.12.5) • cisco catalyst 9800 firmware (>= 17.1 <= 17.2) • cisco wireless lan controller software (< 8.5.171.0) • cisco wireless lan controller software (>= 8.6 < 8.10.130.0)

Related

Weakness · CWE (1)

  • CWE-668 Exposure of Resource to Wrong Sphere weakness

References