CVE-2021-1423
published 2021-03-24CVE-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…
PriorityP420medium4.4CVSS 3.1
AVLACLPRHUINSUCNIHAN
EPSS
0.24%
14.7th percentile
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
6 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| cisco | aironet_access_points | — | — |
| cisco | catalyst_9800_firmware | < 16.12.5 | 16.12.5 |
| cisco | catalyst_9800_firmware | 17.1 – 17.2 | — |
| cisco | cisco_aironet_access_point_software | — | — |
| cisco | wireless_lan_controller_software | < 8.5.171.0 | 8.5.171.0 |
| cisco | wireless_lan_controller_software | >= 8.6 < 8.10.130.0 | 8.10.130.0 |
CVSS provenance
nvdv3.14.4MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
nvdv2.02.1LOWAV:L/AC:L/Au:N/C:N/I:P/A:N
vendor_cisco4.4MEDIUM
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Cisco
Cisco Aironet Access Points Arbitrary File Overwrite Vulnerability
vendor_cisco·2021-03-24·CVSS 4.4
CVE-2021-1423 [MEDIUM] CWE-668 Cisco Aironet Access Points Arbitrary File Overwrite Vulnerability
Cisco Aironet Access Points Arbitrary File Overwrite Vulnerability
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.
Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
This advisory is available at the following link:https://sec.cloudapps.cisco.
Cisco
Cisco Aironet Access Points Arbitrary File Overwrite Vulnerability
vendor_cisco·CVSS 3.1
CVE-2021-1423 Cisco Aironet Access Points Arbitrary File Overwrite Vulnerability
CVE-2021-1423: Cisco Aironet Access Points Arbitrary File Overwrite Vulnerability
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. Cisco has released software updates that address this vulnerability. There are no
CVSS: 3.1
CWE: CWE-668, CWE-668
Bug IDs: CSCvu98274
GHSA
GHSA-2ggr-q5x3-fm96: A vulnerability in the implementation of a CLI command in Cisco Aironet Access Points (AP) could allow an authenticated, local attacker to overwrite f
ghsa_unreviewed·2022-05-24
CVE-2021-1423 [MEDIUM] CWE-668 GHSA-2ggr-q5x3-fm96: A vulnerability in the implementation of a CLI command in Cisco Aironet Access Points (AP) could allow an authenticated, local attacker to overwrite f
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.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2021-03-24
Published