CVE-2020-13872

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

2.70% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 84.6% of scored records. A rank, not a probability.

NVD base score

8.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2020-06-09 18:32Z6 YR AGO

Last updated

2024-08-04 12:32Z2 YR AGO

Reserved

2020-06-06

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-307Improper Restriction of Excessive Authentication AttemptsBase

Data version

5.1

Document digest

409f04c7434fd18dc5d4280140699a114d7451277dd63051cd63ab0c559d04db

• seclists.org20200609 RoyalTS SSH Tunnel - Authentication Bypasshttp://seclists.org/fulldisclosure/2020/Jun/14mailing-listx_refsource_FULLDISC
• hacktips.ithttps://hacktips.it/royalts-ssh-tunnel-authentication-bypass/x_refsource_MISC
• packetstormsecurity.comhttp://packetstormsecurity.com/files/158000/RoyalTS-SSH-Tunnel-Authentication-Bypass.htmlx_refsource_MISC