CVE-2021-1272
Published: 2021-01-20
Last Modified: 2021-01-27
CVE Author: NIST National Vulnerability Database
CVE Assigner: psirt@cisco.com
A vulnerability in the session validation feature of Cisco Data Center Network Manager (DCNM) could allow an unauthenticated, remote attacker to bypass access controls and conduct a server-side request forgery (SSRF) attack on a targeted system. This vulnerability is due to insufficient validation of parameters in a specific HTTP request by an attacker. An attacker could exploit this vulnerability by sending a crafted HTTP request to an authenticated user of the DCNM web application. A successful exploit could allow the attacker to bypass access controls and gain unauthorized access to the Device Manager application, which provides access to network devices managed by the system.
| Severity | Medium |
| Base Score | 6.8/10 |
| Exploit Score | 8.6/10 |
| Access Vector | Network |
| Access Complexity | Medium |
| Authentication | None |
| Impact Score | 6.4/10 |
| Confidentiality Impact | Partial |
| Availability Impact | Partial |
| Integrity Impact | Partial |
| Vector String | AV:N/AC:M/Au:N/C:P/I:P/A:P |
| Severity | High |
| Base Score | 8.8/10 |
| Exploit Score | 2.8/10 |
| Access Vector | Network |
| Access Complexity | Low |
| Privileges Required | None |
| Impact Score | 5.9/10 |
| Confidentiality Impact | High |
| Availability Impact | High |
| Integrity Impact | High |
| Scope | Unchanged |
| User Interaction | Required |
| Vector String | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| CPE | Vulnerable | Start | Excluding |
|---|---|---|---|
| cpe:2.3:a:cisco:data_center_network_manager:*:*:*:*:*:*:*:* | Yes | - | 11.5\(1\) |
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dcnm-ssrf
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