PatchTheCVECVE-2020-13872: Royal TS before 5 has a 0.0.0.0 listener, which makes it easier for attackers to bypass tunnel authentication
CVE-2020-13872 is a high-severity flaw (CVSS 8.8) affecting royal ts. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- High severity
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 8.8 (High) |
| Attack vector | Adjacent network |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 2.7% (top 14%) |
| CISA exploited list | No |
| Weakness | CWE-307 |
| Published | 2020-06-09 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2020-13872?
royal ts: upgrade to 5.0. Exact commands for each OS are on this page.
Is CVE-2020-13872 being exploited?
CVE-2020-13872 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2020-13872 affect?
CVE-2020-13872 affects royal ts. Severity is high (CVSS 8.8). 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.
How urgent is CVE-2020-13872?
Priority 57/100. High severity; Public exploit reference
Related CVEs
- CVE-2018-18865 HIGH 8.1 UPGRADE UPGRADE The Royal browser extensions TS before 4.3.60728 (Release Date 2018-07-28) and TSX before 3.3.1 (Release Date