Vulnerability Details : CVE-2020-3521
A vulnerability in a specific REST API of Cisco Data Center Network Manager (DCNM) Software could allow an authenticated, remote attacker to conduct directory traversal attacks on an affected device. The vulnerability is due to insufficient validation of user-supplied input to the API. An attacker with a low-privileged account could exploit this vulnerability by sending a crafted request to the API. A successful exploit could allow the attacker to read arbitrary files on the affected system.
Vulnerability category: Directory traversalInput validation
Products affected by CVE-2020-3521
- cpe:2.3:a:cisco:data_center_network_manager:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-3521
0.21%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 40 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-3521
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:N/A:N |
8.0
|
2.9
|
NIST | |
|
5.3
|
MEDIUM | CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |
1.6
|
3.6
|
Cisco Systems, Inc. | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2020-3521
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by:
- nvd@nist.gov (Primary)
- ykramarz@cisco.com (Secondary)
References for CVE-2020-3521
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dcnm-file-path-6PKONjHe
Cisco Data Center Network Manager Read File Path Traversal VulnerabilityVendor Advisory
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