Vulnerability Details : CVE-2023-20066
A vulnerability in the web UI of Cisco IOS XE Software could allow an authenticated, remote attacker to perform a directory traversal and access resources that are outside the filesystem mountpoint of the web UI. This vulnerability is due to an insufficient security configuration. An attacker could exploit this vulnerability by sending a crafted request to the web UI. A successful exploit could allow the attacker to gain read access to files that are outside the filesystem mountpoint of the web UI. Note: These files are located on a restricted filesystem that is maintained for the web UI. There is no ability to write to any files on this filesystem.
Vulnerability category: Directory traversal
Products affected by CVE-2023-20066
- cpe:2.3:o:cisco:ios_xe:16.12.3:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:17.3.2:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:17.6.2:*:*:*:*:*:*:*
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Exploit prediction scoring system (EPSS) score for CVE-2023-20066
0.09%
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-2023-20066
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.5
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
2.8
|
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-2023-20066
-
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.Assigned by: nvd@nist.gov (Primary)
-
The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize sequences such as ".." that can resolve to a location that is outside of that directory.Assigned by: ykramarz@cisco.com (Secondary)
References for CVE-2023-20066
-
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webui-pthtrv-es7GSb9V
Cisco IOS XE Software Web UI Path Traversal VulnerabilityVendor Advisory
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