CVE-2021-1449
Cisco Access Points Software Boot Logic Unsigned Code Execution Vulnerability
Description
A vulnerability in the boot logic of Cisco Access Points Software could allow an authenticated, local attacker to execute unsigned code at boot time. The vulnerability is due to an improper check that is performed by the area of code that manages system startup processes. An attacker could exploit this vulnerability by modifying a specific file that is stored on the system, which would allow the attacker to bypass existing protections. A successful exploit could allow the attacker to execute unsigned code at boot time and bypass the software image verification check part of the secure boot process of an affected device. Note: To exploit this vulnerability, the attacker would need to have access to the development shell (devshell) on the device.
INFO
Published Date :
March 24, 2021, 8:15 p.m.
Last Modified :
Nov. 7, 2023, 3:28 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
0.8
Affected Products
The following products are affected by CVE-2021-1449
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-2021-1449.
| URL | Resource |
|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ap-privesc-wEVfp8Ud | 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-2021-1449 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-1449 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:H/I:H/A:H Added CVSS V3.1 Cisco Systems, Inc. AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H -
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 NVD-CWE-Other -
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:P/I:P/A:P) Added CVSS V3.1 NIST AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ap-privesc-wEVfp8Ud No Types Assigned https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ap-privesc-wEVfp8Ud 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 (excluding) 17.3.3 *cpe:2.3:o:cisco:catalyst_9800_firmware:*:*:*:*:*:*:*:* versions from (including) 17.4 up to (excluding) 17.5.1 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) 8.10.150.0
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-1449 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-2021-1449
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