CVE-2020-14871

Exploitation

Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2021-11-03. Federal remediation due 2022-05-03.

SSVC decision

• ExploitationactiveCISA reports credible evidence of active exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

79.84% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 99.6% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Analyzed. 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

2020-10-21 14:04Z5 YR AGO

Last updated

2025-10-21 23:35Z10 MO AGO

Reserved

2020-06-19

Assigning CNA

oracle

Record state

PUBLISHED

Severity

Critical (CVSS 10.0)

CNA CVSS vector

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

Weaknesses

• CWE-787Out-of-bounds WriteBase

Data version

5.1

Document digest

f2f9d4dd9a9a740695ece7273246730c23d94ff2529e47cf2a3170a40ae26847

• www.oracle.comhttps://www.oracle.com/security-alerts/cpuoct2020.html
• packetstormsecurity.comhttp://packetstormsecurity.com/files/159961/SunSSH-Solaris-10-x86-Remote-Root.html
• packetstormsecurity.comhttp://packetstormsecurity.com/files/160510/Solaris-SunSSH-11.0-x86-libpam-Remote-Root.html
• packetstormsecurity.comhttp://packetstormsecurity.com/files/160609/Oracle-Solaris-SunSSH-PAM-parse_user_name-Buffer-Overflow.html
• www.openwall.com[oss-security] 20210302 Announce: OpenSSH 8.5 releasedhttp://www.openwall.com/lists/oss-security/2021/03/03/1mailing-list
• packetstormsecurity.comhttp://packetstormsecurity.com/files/163232/Solaris-SunSSH-11.0-Remote-Root.html
• www.openwall.com[oss-security] 20240703 Re: CVE-2024-6387: RCE in OpenSSH's server, on glibc-based Linux systemshttp://www.openwall.com/lists/oss-security/2024/07/03/3mailing-list
• www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-14871government-resource