CVE-2020-14871: Oracle Solaris and Zettabyte File System (ZFS) Unspecified Vulnerability
Reference page built from the source records below, each shown as its source publishes it. Dataset version ref-4942ca832999, updated 2026-11-02T23:39:54.475Z.
CISA Known Exploited Vulnerabilities
- Name
- Oracle Solaris and Zettabyte File System (ZFS) Unspecified Vulnerability
- Vendor
- Oracle
- Product
- Solaris and Zettabyte File System (ZFS)
- Added to the catalog
- 2021-11-03
- Due date for US federal agencies
- 2022-05-03
- Weaknesses
- CWE-787
- Catalog version
- 2026.10.30
Oracle Solaris and Oracle ZFS Storage Appliance Kit contain an unspecified vulnerability causing high impacts to confidentiality, integrity, and availability of affected systems.
Required action (CISA)
Apply updates per vendor instructions.
Ransomware use: CISA does not mark known use of this vulnerability in ransomware campaigns.
Links in CISA's notes
Read on 2026-11-02T23:39:54.475Z under licence cisa-kev-cc0@b0067899 from https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json
NVD analysis
- Status
- Analyzed
- Published
- 2020-10-21T15:15:24.593
- Last modified
- 2026-06-17T02:55:43.090
- Weaknesses
- CWE-787
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).
| Metric | Score | Severity | Vector | Scored by |
|---|---|---|---|---|
| CVSS 3.1 | 10 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H | [email protected] (Secondary) |
| CVSS 2.0 | 10 | HIGH | AV:N/AC:L/Au:N/C:C/I:C/A:C | [email protected] (Primary) |
References
- http://packetstormsecurity.com/files/159961/SunSSH-Solaris-10-x86-Remote-Root.html (Third Party Advisory, VDB Entry)
- http://packetstormsecurity.com/files/160510/Solaris-SunSSH-11.0-x86-libpam-Remote-Root.html (Exploit, Third Party Advisory, VDB Entry)
- http://packetstormsecurity.com/files/160609/Oracle-Solaris-SunSSH-PAM-parse_user_name-Buffer-Overflow.html (Exploit, Third Party Advisory, VDB Entry)
- http://packetstormsecurity.com/files/163232/Solaris-SunSSH-11.0-Remote-Root.html (Exploit, Third Party Advisory, VDB Entry)
- http://www.openwall.com/lists/oss-security/2021/03/03/1 (Mailing List, Third Party Advisory)
- http://www.openwall.com/lists/oss-security/2024/07/03/3 (Mailing List, Patch)
- https://www.oracle.com/security-alerts/cpuoct2020.html (Vendor Advisory)
- http://packetstormsecurity.com/files/159961/SunSSH-Solaris-10-x86-Remote-Root.html (Third Party Advisory, VDB Entry)
- http://packetstormsecurity.com/files/160510/Solaris-SunSSH-11.0-x86-libpam-Remote-Root.html (Exploit, Third Party Advisory, VDB Entry)
- http://packetstormsecurity.com/files/160609/Oracle-Solaris-SunSSH-PAM-parse_user_name-Buffer-Overflow.html (Exploit, Third Party Advisory, VDB Entry)
- http://packetstormsecurity.com/files/163232/Solaris-SunSSH-11.0-Remote-Root.html (Exploit, Third Party Advisory, VDB Entry)
- http://www.openwall.com/lists/oss-security/2021/03/03/1 (Mailing List, Third Party Advisory)
- http://www.openwall.com/lists/oss-security/2024/07/03/3 (Mailing List, Patch)
- https://www.oracle.com/security-alerts/cpuoct2020.html (Vendor Advisory)
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-14871 (US Government Resource)
This product uses the NVD API but is not endorsed or certified by the NVD.
Read on 2026-11-02T23:41:51.476Z under licence nvd-api-terms-of-use@ff2a5288 from https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2020-14871
CVE record
- Assigner
- oracle
- State
- PUBLISHED
- Published
- 2020-10-21T14:04:29.000Z
- Updated
- 2025-10-21T23:35:34.957Z
- Problem types
- 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.
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).
References
- 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
- [oss-security] 20210302 Announce: OpenSSH 8.5 released
- http://packetstormsecurity.com/files/163232/Solaris-SunSSH-11.0-Remote-Root.html
- [oss-security] 20240703 Re: CVE-2024-6387: RCE in OpenSSH's server, on glibc-based Linux systems
Read on 2026-11-03T01:03:34.511Z under licence cve-terms-of-use@81bfa2f3 from https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2020/14xxx/CVE-2020-14871.json
Defensive techniques (MITRE D3FEND)
D3FEND maps these defensive techniques to the weakness (CWE) that NVD lists for this CVE, through the digital artifacts the weakness affects. D3FEND does not say they stop this vulnerability.
CWE-787: Out-of-bounds Write
- Harden: Variable Initialization (acts on Subroutine)
- Harden: Trusted Library (acts on Subroutine)
- Harden: Software Update (acts on Software)
- Model: Asset Vulnerability Enumeration (acts on Software)
- Model: Software Inventory (acts on Software)
- Harden: Domain Logic Validation (acts on Subroutine)
- Harden: Credential Scrubbing (acts on Subroutine)
- Isolate: Application-based Process Isolation (acts on Subroutine)
- Restore: Restore Software (acts on Software)
D3FEND ontology version 1.6.0.
Read on 2026-11-03T00:02:57.820Z under licence d3fend-terms-of-use@f98cbc7e from https://d3fend.mitre.org/api/weakness/cwe/CWE-787.json
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"The MITRE Corporation (MITRE) hereby grants you a non-exclusive, royalty-free license to use D3FEND for research, development, and commercial purposes. Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." Terms: https://d3fend.mitre.org/tou/
Sources and licences
CISA
Source: CISA Catalog of Known Exploited Vulnerabilities, version 2026.10.30, CC0 1.0. Use of this data does not imply endorsement by CISA or DHS.
National Vulnerability Database (NIST)
This product uses the NVD API but is not endorsed or certified by the NVD.
NVD API Terms of Use (NIST publications in the public domain, 17 U.S.C. 105)
CVE Program, The MITRE Corporation
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MITRE D3FEND
MITRE D3FEND™ knowledge graph. © 2025 The MITRE Corporation.
"The MITRE Corporation (MITRE) hereby grants you a non-exclusive, royalty-free license to use D3FEND for research, development, and commercial purposes. Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." Terms: https://d3fend.mitre.org/tou/MITRE D3FEND Terms of Use (site + knowledge graph); source repo MIT
Cite this page
Dragons Eye Ransomware Tracker, "CVE-2020-14871: Oracle Solaris and Zettabyte File System (ZFS) Unspecified Vulnerability",
entity page, dataset version ref-4942ca832999, updated 2026-11-02T23:39:54.475Z,
https://ransomware-tracker.com/cve/CVE-2020-14871 (accessed 2026-11-03).
Underlying source: CISA Catalog of Known Exploited Vulnerabilities, version 2026.10.30.
Underlying source: National Vulnerability Database (NIST), CVE API 2.0, record last modified 2026-06-17T02:55:43.090.
Underlying source: CVE List (CVE Program, The MITRE Corporation), record updated 2025-10-21T23:35:34.957Z.
Underlying source: MITRE D3FEND, ontology version 1.6.0.
Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.