Vulnerability in Microsoft Windows
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.027 (85.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- seclists.org/fulldisclosure/2020/Jun/14 (mailing-list, Third Party Advisory)
- hacktips.it/royalts-ssh-tunnel-authentication-bypass/ (Exploit)
- packetstormsecurity.com/files/158000/RoyalTS-SSH-Tunnel-Authentication-Bypass.h… (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-13872?
- CVE-2020-13872 is a high-severity vulnerability in Microsoft Windows, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 8.8/10. Published 2020-06-09.
- How severe is CVE-2020-13872?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2020-13872 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.