# CVE-2020-14871: Oracle Solaris and Zettabyte File System (ZFS) Unspecified Vulnerability

> CVE-2020-14871: Oracle Solaris and Zettabyte File System (ZFS) Unspecified Vulnerability. CVSS 10.0 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2020-14871
Last updated: 2025-10-21T23:35:34Z

- Published: 2020-10-21 14:04 UTC · Updated: 2025-10-21 23:35 UTC · Assigner: oracle
- CVSS: 10.0 (CVSS 3.1) · Severity: Critical · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- EPSS: 80.2%, 100th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2021-11-03, federal due date 2022-05-03, ransomware use: Unknown

## Description

Vulnerability in the Oracle Solaris product of Oracle Systems (component: Pluggable authentication module). Supported versions that are affected are 10 and 11. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Solaris. While the vulnerability is in Oracle Solaris, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in takeover of Oracle Solaris. Note: This CVE is not exploitable for Solaris 11.1 and later releases, and ZFSSA 8.7 and later releases, thus the CVSS Base Score is 0.0. CVSS 3.1 Base Score 10.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H).

## CISA required action

Apply updates per vendor instructions.

## Affected vendors and products

- oracle: solaris
- Oracle Corporation: Solaris Operating System

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2020-14871)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2020-14871)
- [http://packetstormsecurity.com/files/159961/SunSSH-Solaris-10-x86-Remote-Root.html](http://packetstormsecurity.com/files/159961/SunSSH-Solaris-10-x86-Remote-Root.html)
- [http://packetstormsecurity.com/files/160510/Solaris-SunSSH-11.0-x86-libpam-Remote-Root.html](http://packetstormsecurity.com/files/160510/Solaris-SunSSH-11.0-x86-libpam-Remote-Root.html)
- [http://packetstormsecurity.com/files/160609/Oracle-Solaris-SunSSH-PAM-parse\_user\_name-Buffer-Overflow.html](http://packetstormsecurity.com/files/160609/Oracle-Solaris-SunSSH-PAM-parse_user_name-Buffer-Overflow.html)
- [http://packetstormsecurity.com/files/163232/Solaris-SunSSH-11.0-Remote-Root.html](http://packetstormsecurity.com/files/163232/Solaris-SunSSH-11.0-Remote-Root.html)
- [https://www.oracle.com/security-alerts/cpuoct2020.html](https://www.oracle.com/security-alerts/cpuoct2020.html)
- [http://www.openwall.com/lists/oss-security/2021/03/03/1](http://www.openwall.com/lists/oss-security/2021/03/03/1)
- [http://www.openwall.com/lists/oss-security/2024/07/03/3](http://www.openwall.com/lists/oss-security/2024/07/03/3)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2020-14871 · Markdown: https://rewindex.com/cve/CVE-2020-14871.md · JSON: https://rewindex.com/api/v1/cves/CVE-2020-14871 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:05:43.336Z