CVE-2021-1423— Cisco Aironet Access Points Arbitrary File Overwrite Vulnerability
Quick assessment
Affected
Cisco Cisco Aironet Access Point Software
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Cisco Aironet Access Points（aps）是美国思科（Cisco）公司的一款网络接入点设备。 Cisco Aironet Access Points 存在安全漏洞，该漏洞源于对特定命令的输入验证不足。攻击者可利用该漏洞覆盖设备闪存中的文件。
Possible ATT&CK Techniques 2 AI
T1556 · Modify Authentication Process T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2021-1423
Vulnerability Information
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Vulnerability Title
Cisco Aironet Access Points Arbitrary File Overwrite Vulnerability
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
将资源暴露给错误范围
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Aironet Access Points 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Aironet Access Points（aps）是美国思科（Cisco）公司的一款网络接入点设备。 Cisco Aironet Access Points 存在安全漏洞，该漏洞源于对特定命令的输入验证不足。攻击者可利用该漏洞覆盖设备闪存中的文件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Cisco | Cisco Aironet Access Point Software | n/a | - |
|
II. Public POCs for CVE-2021-1423
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-1423 (1)
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ap-foverwrt-HyVXvrtb vendor-advisory x_refsource_CISCO
Same Patch Batch · Cisco · 2021-03-24 · 45 CVEs total
| CVE-2021-1417 | 9.9 CRITICAL | Cisco Jabber Desktop and Mobile Client Software Vulnerabilities |
| CVE-2021-1471 | 9.9 CRITICAL | Cisco Jabber Desktop and Mobile Client Software Vulnerabilities |
| CVE-2021-1469 | 9.9 CRITICAL | Cisco Jabber Desktop and Mobile Client Software Vulnerabilities |
| CVE-2021-1418 | 9.9 CRITICAL | Cisco Jabber Desktop and Mobile Client Software Vulnerabilities |
| CVE-2021-1411 | 9.9 CRITICAL | Cisco Jabber Desktop and Mobile Client Software Vulnerabilities |
| CVE-2021-1446 | 8.6 HIGH | Cisco IOS XE Software DNS NAT Protocol Application Layer Gateway Denial of Service Vulnera |
| CVE-2021-1373 | 8.6 HIGH | Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family CAPWAP Denial of Se |
| CVE-2021-1433 | 8.1 HIGH | Cisco IOS XE SD-WAN Software vDaemon Buffer Overflow Vulnerability |
| CVE-2021-1451 | 8.1 HIGH | Cisco IOS XE Software Easy Virtual Switching System Arbitrary Code Execution Vulnerability |
| CVE-2021-1392 | 7.8 HIGH | Cisco IOS and IOS XE Software Common Industrial Protocol Privilege Escalation Vulnerabili |
| CVE-2021-1431 | 7.5 HIGH | Cisco IOS XE SD-WAN Software vDaemon Denial of Service Vulnerability |
| CVE-2021-1437 | 7.5 HIGH | Cisco Aironet Access Points FlexConnect Upgrade Information Disclosure Vulnerability |
| CVE-2021-1403 | 7.4 HIGH | Cisco IOS XE Software Web UI Cross-Site WebSocket Hijacking Vulnerability |
| CVE-2021-1439 | 7.4 HIGH | Cisco Aironet Access Points FlexConnect Multicast DNS Denial of Service Vulnerability |
| CVE-2021-1352 | 7.4 HIGH | Cisco IOS XE Software DECnet Phase IV/OSI Denial of Service Vulnerability |
| CVE-2021-1432 | 7.3 HIGH | Cisco IOS XE SD-WAN Software Arbitrary Command Execution Vulnerability |
| CVE-2021-1398 | 6.8 MEDIUM | Cisco IOS XE Software Arbitrary Code Execution Vulnerability |
| CVE-2021-1453 | 6.8 MEDIUM | Cisco IOS XE Software for the Catalyst 9000 Family Arbitrary Code Execution Vulnerability |
| CVE-2021-1452 | 6.8 MEDIUM | Cisco IOS XE ROM Monitor Software for Cisco Industrial Switches OS Command Injection Vulne |
| CVE-2021-1449 | 6.7 MEDIUM | Cisco Access Point Software Arbitrary Code Execution Vulnerability |
Showing top 20 of 45 CVEs. View all on vendor page → →
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V. Comments for CVE-2021-1423
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