CVE-2021-40127
Summary
| CVE | CVE-2021-40127 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2021-11-04 16:15:00 UTC |
| Updated | 2023-11-07 03:38:00 UTC |
| Description | A vulnerability in the web-based management interface of Cisco Small Business 200 Series Smart Switches, Cisco Small Business 300 Series Managed Switches, and Cisco Small Business 500 Series Stackable Managed Switches could allow an unauthenticated, remote attacker to render the web-based management interface unusable, resulting in a denial of service (DoS) condition. This vulnerability is due to improper validation of HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to cause a permanent invalid redirect for requests sent to the web-based management interface of the device, resulting in a DoS condition. |
Risk And Classification
Problem Types: CWE-20
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Hardware | Cisco | Sf200-24 | - | All | All | All |
| Hardware | Cisco | Sf200-24fp | - | All | All | All |
| Operating System | Cisco | Sf200-24fp Firmware | - | All | All | All |
| Hardware | Cisco | Sf200-24p | - | All | All | All |
| Operating System | Cisco | Sf200-24p Firmware | - | All | All | All |
| Operating System | Cisco | Sf200-24 Firmware | - | All | All | All |
| Hardware | Cisco | Sf200-48 | - | All | All | All |
| Hardware | Cisco | Sf200-48p | - | All | All | All |
| Operating System | Cisco | Sf200-48p Firmware | - | All | All | All |
| Operating System | Cisco | Sf200-48 Firmware | - | All | All | All |
| Hardware | Cisco | Sf200e-24 | - | All | All | All |
| Hardware | Cisco | Sf200e-24p | - | All | All | All |
| Operating System | Cisco | Sf200e-24p Firmware | - | All | All | All |
| Operating System | Cisco | Sf200e-24 Firmware | - | All | All | All |
| Hardware | Cisco | Sf200e-48 | - | All | All | All |
| Hardware | Cisco | Sf200e-48p | - | All | All | All |
| Operating System | Cisco | Sf200e-48p Firmware | - | All | All | All |
| Operating System | Cisco | Sf200e-48 Firmware | - | All | All | All |
| Hardware | Cisco | Sf300-08 | - | All | All | All |
| Operating System | Cisco | Sf300-08 Firmware | 1.4.11.02 | All | All | All |
| Hardware | Cisco | Sf300-24 | - | All | All | All |
| Hardware | Cisco | Sf300-24mp | - | All | All | All |
| Operating System | Cisco | Sf300-24mp Firmware | 1.4.11.02 | All | All | All |
| Hardware | Cisco | Sf300-24p | - | All | All | All |
| Hardware | Cisco | Sf300-24pp | - | All | All | All |
| Operating System | Cisco | Sf300-24pp Firmware | 1.4.11.02 | All | All | All |
| Operating System | Cisco | Sf300-24p Firmware | 1.4.11.02 | All | All | All |
| Operating System | Cisco | Sf300-24 Firmware | 1.4.11.02 | All | All | All |
| Hardware | Cisco | Sf300-48 | - | All | All | All |
| Hardware | Cisco | Sf300-48p | - | All | All | All |
| Hardware | Cisco | Sf300-48pp | - | All | All | All |
| Operating System | Cisco | Sf300-48pp Firmware | 1.4.11.02 | All | All | All |
| Operating System | Cisco | Sf300-48p Firmware | 1.4.11.02 | All | All | All |
| Operating System | Cisco | Sf300-48 Firmware | 1.4.11.02 | All | All | All |
| Hardware | Cisco | Sf302-08 | - | All | All | All |
| Hardware | Cisco | Sf302-08mp | - | All | All | All |
| Hardware | Cisco | Sf302-08mpp | - | All | All | All |
| Operating System | Cisco | Sf302-08mpp Firmware | 1.4.11.02 | All | All | All |
| Operating System | Cisco | Sf302-08mp Firmware | 1.4.11.02 | All | All | All |
| Hardware | Cisco | Sf302-08p | - | All | All | All |
| Hardware | Cisco | Sf302-08pp | - | All | All | All |
| Operating System | Cisco | Sf302-08pp Firmware | 1.4.11.02 | All | All | All |
| Operating System | Cisco | Sf302-08p Firmware | 1.4.11.02 | All | All | All |
| Operating System | Cisco | Sf302-08 Firmware | 1.4.11.02 | All | All | All |
| Hardware | Cisco | Sf500-24 | - | All | All | All |
| Hardware | Cisco | Sf500-24mp | - | All | All | All |
| Operating System | Cisco | Sf500-24mp Firmware | - | All | All | All |
| Hardware | Cisco | Sf500-24p | - | All | All | All |
| Operating System | Cisco | Sf500-24p Firmware | - | All | All | All |
| Operating System | Cisco | Sf500-24 Firmware | - | All | All | All |
| Hardware | Cisco | Sf500-48 | - | All | All | All |
| Hardware | Cisco | Sf500-48mp | - | All | All | All |
| Operating System | Cisco | Sf500-48mp Firmware | - | All | All | All |
| Hardware | Cisco | Sf500-48p | - | All | All | All |
| Operating System | Cisco | Sf500-48p Firmware | - | All | All | All |
| Operating System | Cisco | Sf500-48 Firmware | - | All | All | All |
| Hardware | Cisco | Sg200-08 | - | All | All | All |
| Hardware | Cisco | Sg200-08p | - | All | All | All |
| Operating System | Cisco | Sg200-08p Firmware | - | All | All | All |
| Operating System | Cisco | Sg200-08 Firmware | - | All | All | All |
| Hardware | Cisco | Sg200-10fp | - | All | All | All |
| Operating System | Cisco | Sg200-10fp Firmware | - | All | All | All |
| Hardware | Cisco | Sg200-18 | - | All | All | All |
| Operating System | Cisco | Sg200-18 Firmware | - | All | All | All |
| Hardware | Cisco | Sg200-26 | - | All | All | All |
| Hardware | Cisco | Sg200-26fp | - | All | All | All |
| Operating System | Cisco | Sg200-26fp Firmware | - | All | All | All |
| Hardware | Cisco | Sg200-26p | - | All | All | All |
| Operating System | Cisco | Sg200-26p Firmware | - | All | All | All |
| Operating System | Cisco | Sg200-26 Firmware | - | All | All | All |
| Hardware | Cisco | Sg200-50 | - | All | All | All |
| Hardware | Cisco | Sg200-50fp | - | All | All | All |
| Operating System | Cisco | Sg200-50fp Firmware | - | All | All | All |
| Hardware | Cisco | Sg200-50p | - | All | All | All |
| Operating System | Cisco | Sg200-50p Firmware | - | All | All | All |
| Operating System | Cisco | Sg200-50 Firmware | - | All | All | All |
| Hardware | Cisco | Sg300-10 | - | All | All | All |
| Hardware | Cisco | Sg300-10mp | - | All | All | All |
| Hardware | Cisco | Sg300-10mpp | - | All | All | All |
| Operating System | Cisco | Sg300-10mpp Firmware | 1.4.11.02 | All | All | All |
| Operating System | Cisco | Sg300-10mp Firmware | 1.4.11.02 | All | All | All |
| Hardware | Cisco | Sg300-10p | - | All | All | All |
| Hardware | Cisco | Sg300-10pp | - | All | All | All |
| Operating System | Cisco | Sg300-10pp Firmware | 1.4.11.02 | All | All | All |
| Operating System | Cisco | Sg300-10p Firmware | 1.4.11.02 | All | All | All |
| Operating System | Cisco | Sg300-10 Firmware | 1.4.11.02 | All | All | All |
| Hardware | Cisco | Sg300-20 | - | All | All | All |
| Operating System | Cisco | Sg300-20 Firmware | 1.4.11.02 | All | All | All |
| Hardware | Cisco | Sg300-28 | - | All | All | All |
| Hardware | Cisco | Sg300-28mp | - | All | All | All |
| Operating System | Cisco | Sg300-28mp Firmware | 1.4.11.02 | All | All | All |
| Hardware | Cisco | Sg300-28p | - | All | All | All |
| Hardware | Cisco | Sg300-28pp | - | All | All | All |
| Operating System | Cisco | Sg300-28pp Firmware | 1.4.11.02 | All | All | All |
| Operating System | Cisco | Sg300-28p Firmware | 1.4.11.02 | All | All | All |
| Hardware | Cisco | Sg300-28sfp | - | All | All | All |
| Operating System | Cisco | Sg300-28sfp Firmware | 1.4.11.02 | All | All | All |
| Operating System | Cisco | Sg300-28 Firmware | 1.4.11.02 | All | All | All |
| Hardware | Cisco | Sg300-52 | - | All | All | All |
| Hardware | Cisco | Sg300-52mp | - | All | All | All |
| Operating System | Cisco | Sg300-52mp Firmware | 1.4.11.02 | All | All | All |
| Hardware | Cisco | Sg300-52p | - | All | All | All |
| Operating System | Cisco | Sg300-52p Firmware | 1.4.11.02 | All | All | All |
| Operating System | Cisco | Sg300-52 Firmware | 1.4.11.02 | All | All | All |
| Hardware | Cisco | Sg300-sfp | - | All | All | All |
| Operating System | Cisco | Sg300-sfp Firmware | 1.4.11.02 | All | All | All |
| Hardware | Cisco | Sg500-28 | - | All | All | All |
| Hardware | Cisco | Sg500-28mpp | - | All | All | All |
| Operating System | Cisco | Sg500-28mpp Firmware | - | All | All | All |
| Hardware | Cisco | Sg500-28p | - | All | All | All |
| Operating System | Cisco | Sg500-28p Firmware | - | All | All | All |
| Operating System | Cisco | Sg500-28 Firmware | - | All | All | All |
| Hardware | Cisco | Sg500-52 | - | All | All | All |
| Hardware | Cisco | Sg500-52mp | - | All | All | All |
| Operating System | Cisco | Sg500-52mp Firmware | - | All | All | All |
| Hardware | Cisco | Sg500-52p | - | All | All | All |
| Operating System | Cisco | Sg500-52p Firmware | - | All | All | All |
| Operating System | Cisco | Sg500-52 Firmware | - | All | All | All |
| Hardware | Cisco | Sg500x-24 | - | All | All | All |
| Hardware | Cisco | Sg500x-24mpp | - | All | All | All |
| Operating System | Cisco | Sg500x-24mpp Firmware | - | All | All | All |
| Hardware | Cisco | Sg500x-24p | - | All | All | All |
| Operating System | Cisco | Sg500x-24p Firmware | - | All | All | All |
| Operating System | Cisco | Sg500x-24 Firmware | - | All | All | All |
| Hardware | Cisco | Sg500x-48 | - | All | All | All |
| Hardware | Cisco | Sg500x-48mpp | - | All | All | All |
| Operating System | Cisco | Sg500x-48mpp Firmware | - | All | All | All |
| Hardware | Cisco | Sg500x-48p | - | All | All | All |
| Operating System | Cisco | Sg500x-48p Firmware | - | All | All | All |
| Operating System | Cisco | Sg500x-48 Firmware | - | All | All | All |
| Hardware | Cisco | Sg500xg-8f8t | - | All | All | All |
| Operating System | Cisco | Sg500xg-8f8t Firmware | - | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Cisco Small Business 200, 300, and 500 Series Switches Web-Based Management Interface Denial of Service Vulnerability | CISCO | tools.cisco.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.