What is CVE-2021-1423?

CVE-2021-1423 is a medium-severity vulnerability in Cisco 1100_integrated_services_router, classified under Exposure of Resource to Wrong Sphere. CVSS score: 4.4/10. Published 2021-03-24.

How severe is CVE-2021-1423?

Medium severity. CVSS v3 base score is 4.4 out of 10.

Vulnerability in Cisco 1100_integrated_services_router

CVE-2021-1423

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 v…

EPSS: 0.002 (13.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N.

Affected products

Cisco 1100_integrated_services_router
Cisco Aironet_1540
Cisco Aironet_1560
Cisco Aironet_1800
Cisco Aironet_2800
Cisco Aironet_3800
Cisco Aironet_4800
Cisco Aironet_access_point_software
Cisco Catalyst_9100
Cisco Catalyst_9800

Weakness classification (CWE)

CWE-668 — Exposure of Resource to Wrong Sphere

References

psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2021-1423?: CVE-2021-1423 is a medium-severity vulnerability in Cisco 1100_integrated_services_router, classified under Exposure of Resource to Wrong Sphere. CVSS score: 4.4/10. Published 2021-03-24.
How severe is CVE-2021-1423?: Medium severity. CVSS v3 base score is 4.4 out of 10.