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No exploitation reportedFix available

CVE-2020-13872

No exploitation reported by the sources we read.

  • Published2020-06-09
  • Fixed in5.0
  • WeaknessCWE-307

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2020-06-0919:15CVE publishedNVD

Versions per branch

NVD
Royalapps royal tsversion to verify
BranchAffectedFixed in
5.0< 5.05.0

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Royalapps royal ts to 5.0

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2020-06-09
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-8xpj-f658-f859

Frequently asked questions

What is 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.

Is CVE-2020-13872 actively exploited?

Active exploitation of CVE-2020-13872 has not been confirmed. Its EPSS score was 2.7% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-13872?

CVE-2020-13872 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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