High severity · published Jun 9, 2020
CVE-2020-13872
Royal TS before 5 has a 0.0.0.0 listener, which makes it easier for attackers to bypass tunnel authentication via a brute-force approach
8.8
CVSS
2.7%
EPSS
No
On KEV
Description
Royal TS before 5 has a 0.0.0.0 listener, which makes it easier for attackers to bypass tunnel authentication via a brute-force approach.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.7% · higher than 86% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RT
Royal TS · Royalapps
before 5.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-13872
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-13872
Exploit
http://packetstormsecurity.com/files/158000/RoyalTS-SSH-Tunnel-Authentication-Bypass.html
Third Party Advisory
http://seclists.org/fulldisclosure/2020/Jun/14
Exploit
https://hacktips.it/royalts-ssh-tunnel-authentication-bypass/