CVE-2021-1423
"Cisco Aironet Access Points CLI Command Integrity Bypass"
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.
INFO
Published Date :
March 24, 2021, 9:15 p.m.
Last Modified :
Nov. 7, 2023, 3:28 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
0.8
Affected Products
The following products are affected by CVE-2021-1423
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-1423.
| URL | Resource |
|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ap-foverwrt-HyVXvrtb | Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-1423 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-1423 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Removed CVSS V3 Cisco Systems, Inc. AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N Added CVSS V3.1 Cisco Systems, Inc. AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N -
CPE Deprecation Remap by [email protected]
May. 22, 2023
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:h:cisco:isr_1100:-:*:*:*:*:*:*:* OR *cpe:2.3:h:cisco:1100_integrated_services_router:-:*:*:*:*:*:*:* -
Reanalysis by [email protected]
Oct. 21, 2022
Action Type Old Value New Value Added CWE NIST CWE-668 -
Initial Analysis by [email protected]
Mar. 31, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:N/I:P/A:N) Added CVSS V3.1 NIST AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N Changed Reference Type https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ap-foverwrt-HyVXvrtb No Types Assigned https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ap-foverwrt-HyVXvrtb Vendor Advisory Added CPE Configuration AND OR *cpe:2.3:a:cisco:aironet_access_point_software:-:*:*:*:*:*:*:* OR 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:-:*:*:*:*:*:*:* cpe:2.3:h:cisco:isr_1100:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:cisco:catalyst_9800_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 16.12.5 *cpe:2.3:o:cisco:catalyst_9800_firmware:*:*:*:*:*:*:*:* versions from (including) 17.1 up to (including) 17.2 OR cpe:2.3:h:cisco:catalyst_9800:-:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:a:cisco:wireless_lan_controller_software:*:*:*:*:*:*:*:* versions up to (excluding) 8.5.171.0 *cpe:2.3:a:cisco:wireless_lan_controller_software:*:*:*:*:*:*:*:* versions from (including) 8.6 up to (excluding) 8.10.130.0
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-1423 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-1423
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.05635
percentile