CVE-2020-13699

Description

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.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 76.41% Top 5%
Vendor Advisory teamviewer.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://community.teamviewer.com/t5/Announcements/Statement-on-CVE-2020-13699/td-p/98448 vendor advisory
https://jeffs.sh/CVEs/CVE-2020-13699.txt third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-13699?
CVE-2020-13699 has been scored as a high severity vulnerability.
How to fix CVE-2020-13699?
To fix CVE-2020-13699, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-13699 being actively exploited in the wild?
It is possible that CVE-2020-13699 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~76% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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