Oracle · Solaris and Zettabyte File System (ZFS)
CVE-2020-14871
Oracle Solaris and Zettabyte File System (ZFS) Unspecified Vulnerability
What it is
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: Oracle Solaris and Oracle ZFS Storage Appliance Kit contain an unspecified vulnerability causing high impacts to confidentiality, integrity, and availability of affected systems.
What to do
Apply updates per vendor instructions.
Deadline for US federal agencies: May 3, 2022
- Added to the CISA list
- November 3, 2021
- Published
- October 21, 2020
- Severity
- Critical 10.0 CVSS 3.1
- Chance of attacks in the next 30 days (EPSS)
- 80% in the top 0.4% of all known vulnerabilities
- Weakness
- CWE-787
- More details
- NVD · CVE.org · CISA
All references (7)
- https://www.oracle.com/security-alerts/cpuoct2020.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/160609/Oracle-Solaris-SunSSH-PAM-parse_user_name-Buffer-Overflow.html
- http://www.openwall.com/lists/oss-security/2021/03/03/1
- http://packetstormsecurity.com/files/163232/Solaris-SunSSH-11.0-Remote-Root.html
- http://www.openwall.com/lists/oss-security/2024/07/03/3
More exploited flaws from Oracle
| Added | Vulnerability | Product | Severity | Attack chance |
|---|---|---|---|---|
| Aug 24, 2026 | Improper Access Control | HTTP Server and Oracle Weblogic Server Proxy Plug-in | Critical 10.0 | 73% |
| Jul 15, 2026 | Improper Privilege Management | E-Business Suite | Critical 9.8 | 12% |
| Jun 12, 2026 | PeopleSoft Enterprise PeopleTools Missing Authentication for Critical Function | PeopleSoft Enterprise PeopleTools | Critical 9.8 | 97% |
| Jun 1, 2026 | Unspecified | WebLogic Server | High 7.5 | 74% |
| Nov 21, 2025 | Missing Authentication for Critical Function | Fusion Middleware | Critical 9.8 | 89% |
| Oct 20, 2025 | Server-Side Request Forgery (SSRF) | E-Business Suite | High 7.5 | 96% |
| Oct 6, 2025 | Unspecified | E-Business Suite | Critical 9.8 | 99.7% |
| Feb 24, 2025 | Deserialization | Agile Product Lifecycle Management (PLM) | High 8.8 | 3.9% |
Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.