8.8
HIGH
CVE-2020-13872
Royal TS Unauthenticated Brute-Force Vulnerability
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.

INFO

Published Date :

June 9, 2020, 7:15 p.m.

Last Modified :

Nov. 21, 2024, 5:02 a.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

2.8
Public PoC/Exploit Available at Github

CVE-2020-13872 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2020-13872 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Microsoft windows
1 Royalapps royal_ts
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-13872.

URL Resource
http://packetstormsecurity.com/files/158000/RoyalTS-SSH-Tunnel-Authentication-Bypass.html Exploit Third Party Advisory VDB Entry
http://seclists.org/fulldisclosure/2020/Jun/14 Third Party Advisory
https://hacktips.it/royalts-ssh-tunnel-authentication-bypass/ Exploit
http://packetstormsecurity.com/files/158000/RoyalTS-SSH-Tunnel-Authentication-Bypass.html Exploit Third Party Advisory VDB Entry
http://seclists.org/fulldisclosure/2020/Jun/14 Third Party Advisory
https://hacktips.it/royalts-ssh-tunnel-authentication-bypass/ Exploit

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

2020年发布到阿尔法实验室微信公众号的所有安全资讯汇总

Updated: 3 months, 1 week ago
41 stars 16 fork 16 watcher
Born at : Jan. 11, 2021, 2:08 a.m. This repo has been linked 190 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-13872 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-13872 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/158000/RoyalTS-SSH-Tunnel-Authentication-Bypass.html
    Added Reference http://seclists.org/fulldisclosure/2020/Jun/14
    Added Reference https://hacktips.it/royalts-ssh-tunnel-authentication-bypass/
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Jun. 12, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:A/AC:L/Au:N/C:P/I:N/A:N)
    Added CVSS V3.1 NIST AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type http://packetstormsecurity.com/files/158000/RoyalTS-SSH-Tunnel-Authentication-Bypass.html No Types Assigned http://packetstormsecurity.com/files/158000/RoyalTS-SSH-Tunnel-Authentication-Bypass.html Exploit, Third Party Advisory, VDB Entry
    Changed Reference Type http://seclists.org/fulldisclosure/2020/Jun/14 No Types Assigned http://seclists.org/fulldisclosure/2020/Jun/14 Third Party Advisory
    Changed Reference Type https://hacktips.it/royalts-ssh-tunnel-authentication-bypass/ No Types Assigned https://hacktips.it/royalts-ssh-tunnel-authentication-bypass/ Exploit
    Added CWE NIST CWE-307
    Added CPE Configuration AND OR *cpe:2.3:a:royalapps:royal_ts:*:*:*:*:*:*:*:* versions up to (excluding) 5.0 OR cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jun. 11, 2020

    Action Type Old Value New Value
    Added Reference http://seclists.org/fulldisclosure/2020/Jun/14 [No Types Assigned]
  • CVE Modified by [email protected]

    Jun. 09, 2020

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/158000/RoyalTS-SSH-Tunnel-Authentication-Bypass.html [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-13872 is associated with the following CWEs:

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.45 }} -0.29%

score

0.74704

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability