Vulnerability Details : CVE-2020-3400
A vulnerability in the web UI feature of Cisco IOS XE Software could allow an authenticated, remote attacker to utilize parts of the web UI for which they are not authorized.The vulnerability is due to insufficient authorization of web UI access requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to the web UI. A successful exploit could allow the attacker to utilize parts of the web UI for which they are not authorized. This could allow a Read-Only user to perform actions of an Admin user.
Products affected by CVE-2020-3400
- cpe:2.3:o:cisco:ios_xe:16.3.1:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:16.2.2:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:16.3.3:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:16.3.2:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:16.3.1a:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:16.3.4:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:16.3.5b:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:16.3.6:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:16.3.7:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:16.3.8:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:16.3.9:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:16.3.10:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:16.3.11:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:16.3.5:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:17.2.1t:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-3400
0.20%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 39 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-3400
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.5
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:P/A:P |
8.0
|
6.4
|
NIST | |
8.8
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
Cisco Systems, Inc. | |
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2020-3400
-
The product does not perform an authorization check when an actor attempts to access a resource or perform an action.Assigned by:
- nvd@nist.gov (Primary)
- ykramarz@cisco.com (Secondary)
References for CVE-2020-3400
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webui-auth-bypass-6j2BYUc7
Cisco IOS XE Software Web UI Authorization Bypass VulnerabilityVendor Advisory
Jump to