Vulnerability Details : CVE-2020-13699
Public exploit exists!
TeamViewer Desktop for Windows before 15.8.3 does not properly quote its custom URI handlers. A malicious website could launch TeamViewer with arbitrary parameters, as demonstrated by a teamviewer10: --play URL. An attacker could force a victim to send an NTLM authentication request and either relay the request or capture the hash for offline password cracking. This affects teamviewer10, teamviewer8, teamviewerapi, tvchat1, tvcontrol1, tvfiletransfer1, tvjoinv8, tvpresent1, tvsendfile1, tvsqcustomer1, tvsqsupport1, tvvideocall1, and tvvpn1. The issue is fixed in 8.0.258861, 9.0.258860, 10.0.258873, 11.0.258870, 12.0.258869, 13.2.36220, 14.2.56676, 14.7.48350, and 15.8.3.
Exploit prediction scoring system (EPSS) score for CVE-2020-13699
Probability of exploitation activity in the next 30 days: 19.23%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 96 % EPSS Score History EPSS FAQ
Metasploit modules for CVE-2020-13699
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TeamViewer Unquoted URI Handler SMB Redirect
First seen: 2020-08-19auxiliary/server/teamviewer_uri_smb_redirectThis module exploits an unquoted parameter call within the Teamviewer URI handler to create an SMB connection to an attacker controlled IP. TeamViewer < 8.0.258861, 9.0.258860, 10.0.258873, 11.0.258870, 12.0.258869, 13.2.36220, 14.2.56676, 14.7.48350, and 15.
CVSS scores for CVE-2020-13699
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST |
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2020-13699
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The product constructs a string for a command to be executed by a separate component in another control sphere, but it does not properly delimit the intended arguments, options, or switches within that command string.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-13699
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https://jeffs.sh/CVEs/CVE-2020-13699.txt
Third Party Advisory
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https://community.teamviewer.com/t5/Announcements/Statement-on-CVE-2020-13699/td-p/98448
Statement on CVE 2020-13699 - TeamViewer Community - 98448Vendor Advisory
Products affected by CVE-2020-13699
- cpe:2.3:a:teamviewer:teamviewer:*:*:*:*:*:*:*:*