A vulnerability in the application data endpoints of Cisco SD-WAN vManage Software could allow an unauthenticated, remote attacker to gain access to sensitive information. The vulnerability is due to improper validation of directory traversal character sequences within requests to application programmatic interfaces (APIs). An attacker could exploit this vulnerability by sending malicious requests to an API within the affected application. A successful exploit could allow the attacker to conduct directory traversal attacks and gain access to sensitive information including credentials or user tokens.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize ‘…/…//’ (doubled triple dot slash) sequences that can resolve to a location that is outside of that directory.
Name | Vendor | Start Version | End Version |
---|---|---|---|
Catalyst_sd-wan_manager | Cisco | 17.2.4 (including) | 17.2.4 (including) |
Catalyst_sd-wan_manager | Cisco | 17.2.5 (including) | 17.2.5 (including) |
Catalyst_sd-wan_manager | Cisco | 17.2.6 (including) | 17.2.6 (including) |
Catalyst_sd-wan_manager | Cisco | 17.2.7 (including) | 17.2.7 (including) |
Catalyst_sd-wan_manager | Cisco | 17.2.8 (including) | 17.2.8 (including) |
Catalyst_sd-wan_manager | Cisco | 17.2.9 (including) | 17.2.9 (including) |
Catalyst_sd-wan_manager | Cisco | 17.2.10 (including) | 17.2.10 (including) |
Catalyst_sd-wan_manager | Cisco | 18.2.0 (including) | 18.2.0 (including) |
Catalyst_sd-wan_manager | Cisco | 18.3.0 (including) | 18.3.0 (including) |
Catalyst_sd-wan_manager | Cisco | 18.3.1 (including) | 18.3.1 (including) |
Catalyst_sd-wan_manager | Cisco | 18.3.1.1 (including) | 18.3.1.1 (including) |
Catalyst_sd-wan_manager | Cisco | 18.3.3 (including) | 18.3.3 (including) |
Catalyst_sd-wan_manager | Cisco | 18.3.3.1 (including) | 18.3.3.1 (including) |
Catalyst_sd-wan_manager | Cisco | 18.3.4 (including) | 18.3.4 (including) |
Catalyst_sd-wan_manager | Cisco | 18.3.5 (including) | 18.3.5 (including) |
Catalyst_sd-wan_manager | Cisco | 18.3.6 (including) | 18.3.6 (including) |
Catalyst_sd-wan_manager | Cisco | 18.3.6.1 (including) | 18.3.6.1 (including) |
Catalyst_sd-wan_manager | Cisco | 18.3.7 (including) | 18.3.7 (including) |
Catalyst_sd-wan_manager | Cisco | 18.3.8 (including) | 18.3.8 (including) |
Catalyst_sd-wan_manager | Cisco | 18.4.0 (including) | 18.4.0 (including) |
Catalyst_sd-wan_manager | Cisco | 18.4.0.1 (including) | 18.4.0.1 (including) |
Catalyst_sd-wan_manager | Cisco | 18.4.1 (including) | 18.4.1 (including) |
Catalyst_sd-wan_manager | Cisco | 18.4.3 (including) | 18.4.3 (including) |
Catalyst_sd-wan_manager | Cisco | 18.4.4 (including) | 18.4.4 (including) |
Catalyst_sd-wan_manager | Cisco | 18.4.5 (including) | 18.4.5 (including) |
Catalyst_sd-wan_manager | Cisco | 18.4.302 (including) | 18.4.302 (including) |
Catalyst_sd-wan_manager | Cisco | 18.4.303 (including) | 18.4.303 (including) |
Catalyst_sd-wan_manager | Cisco | 18.4.501_es (including) | 18.4.501_es (including) |
Catalyst_sd-wan_manager | Cisco | 19.0.0 (including) | 19.0.0 (including) |
Catalyst_sd-wan_manager | Cisco | 19.0.1a (including) | 19.0.1a (including) |
Catalyst_sd-wan_manager | Cisco | 19.1.0 (including) | 19.1.0 (including) |
Catalyst_sd-wan_manager | Cisco | 19.2.0 (including) | 19.2.0 (including) |
Catalyst_sd-wan_manager | Cisco | 19.2.1 (including) | 19.2.1 (including) |
Catalyst_sd-wan_manager | Cisco | 19.2.2 (including) | 19.2.2 (including) |
Catalyst_sd-wan_manager | Cisco | 19.2.3 (including) | 19.2.3 (including) |
Catalyst_sd-wan_manager | Cisco | 19.2.31 (including) | 19.2.31 (including) |
Catalyst_sd-wan_manager | Cisco | 19.2.097 (including) | 19.2.097 (including) |
Catalyst_sd-wan_manager | Cisco | 19.2.098 (including) | 19.2.098 (including) |
Catalyst_sd-wan_manager | Cisco | 19.2.099 (including) | 19.2.099 (including) |
Catalyst_sd-wan_manager | Cisco | 19.2.929 (including) | 19.2.929 (including) |
Catalyst_sd-wan_manager | Cisco | 19.3.0 (including) | 19.3.0 (including) |
Catalyst_sd-wan_manager | Cisco | 20.1.1 (including) | 20.1.1 (including) |
Catalyst_sd-wan_manager | Cisco | 20.1.1.1 (including) | 20.1.1.1 (including) |
Catalyst_sd-wan_manager | Cisco | 20.1.2 (including) | 20.1.2 (including) |
Catalyst_sd-wan_manager | Cisco | 20.1.12 (including) | 20.1.12 (including) |
Catalyst_sd-wan_manager | Cisco | 20.3.1 (including) | 20.3.1 (including) |
This allows attackers to traverse the file system to access files or directories that are outside of the restricted directory. The ‘…/…//’ manipulation is useful for bypassing some path traversal protection schemes. If “../” is filtered in a sequential fashion, as done by some regular expression engines, then “…/…//” can collapse into the “../” unsafe value (CWE-182). Removing the first “../” yields “….//”; the second removal yields “../”. Depending on the algorithm, the product could be susceptible to CWE-34 but not CWE-35, or vice versa.