--- title: "CVE-2020-14871: Out-of-bounds Write | CubePath" description: "Vulnerability in the Oracle Solaris product of Oracle Systems (component: Pluggable authentication module). Supported versions that are affected are 10…" language: en source: https://cubepath.com/security/cve/CVE-2020-14871 --- # CVE-2020-14871: Out-of-bounds Write | CubePath ## 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). Official description from the CVE record, published by oracle. Copyright © 1999-2026 The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CVE license. [View the record on cve.org](https://www.cve.org/CVERecord?id=CVE-2020-14871) ## Key data ### CVSS 3.1 Critical 10.0 Score published by oracle in the CVE record. CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H | Metric | Value | What it means | | ---------------------- | ------- | ----------------------------------------------------------------------------------- | | Attack vector | Network | The vulnerable component can be reached over a network, possibly from the Internet. | | Attack complexity | Low | No special conditions are needed. The attack can be repeated at will. | | Privileges required | None | No account or privileges are needed. | | User interaction | None | No action from any user is needed. | | Scope | Changed | The impact can reach other components beyond the vulnerable one. | | Confidentiality impact | High | Serious or total effect on the secrecy of data. | | Integrity impact | High | Serious or total effect on the trustworthiness of data. | | Availability impact | High | Serious or total effect on availability. | CVSS is owned and managed by FIRST.Org, Inc. (FIRST) and is used by permission. Each CVSS score on this site is shown together with its vector string, as published in the CVE record by the source named next to it. Learn more at [first.org/cvss](https://www.first.org/cvss/) . ### EPSS Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days. Score 0.80157 (80.2% probability) Percentile 99.6% Scores of Nov 10, 2026 Model v2026.06.15 ### CISA Known Exploited Vulnerabilities This CVE is listed in the CISA KEV catalog. Name in the catalog Oracle Solaris and Zettabyte File System (ZFS) Unspecified Vulnerability Added to the catalog Nov 3, 2021 Federal due date May 3, 2022 ### CISA assessment as of Jul 17, 2024 Stakeholder-Specific Vulnerability Categorization (SSVC) decision points added by CISA. Exploitation Recorded by CISA as active Automatable no Technical impact total ### Weakness (CWE) CWE catalog version 5.0. CWE names: Copyright © 2006-2026, The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CWE license. - [CWE-787](https://cwe.mitre.org/data/definitions/787.html) Out-of-bounds Write ## Affected products Products listed in the CVE record, as the CNA published them. - Oracle Corporation Solaris Operating System - affected: 10 - affected: 11 ## References Links listed in the CVE record. They lead to other sites, which CubePath does not control. - [oracle.com/security-alerts/cpuoct2020.html](https://www.oracle.com/security-alerts/cpuoct2020.html) - [packetstormsecurity.com/files/159961/SunSSH-Solaris-10-x86-…](http://packetstormsecurity.com/files/159961/SunSSH-Solaris-10-x86-Remote-Root.html) - [packetstormsecurity.com/files/160510/Solaris-SunSSH-11.0-x8…](http://packetstormsecurity.com/files/160510/Solaris-SunSSH-11.0-x86-libpam-Remote-Root.html) - [packetstormsecurity.com/files/160609/Oracle-Solaris-SunSSH-…](http://packetstormsecurity.com/files/160609/Oracle-Solaris-SunSSH-PAM-parse%5Fuser%5Fname-Buffer-Overflow.html) - [\[oss-security\] 20210302 Announce: OpenSSH 8.5 released](http://www.openwall.com/lists/oss-security/2021/03/03/1) (openwall.com) mailing-list - [packetstormsecurity.com/files/163232/Solaris-SunSSH-11.0-Re…](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](http://www.openwall.com/lists/oss-security/2024/07/03/3) (openwall.com) mailing-list ## Timeline 1. ID reserved Jun 19, 2020 2. Record published Oct 21, 2020 3. Added to CISA KEV Nov 3, 2021 4. Record last updated Oct 21, 2025 ## Look up another CVE ## About CubePath CubePath is a cloud provider with data centers in Europe and the United States. It offers VPS, bare metal servers and DDoS protection. [Cloud VPS](https://cubepath.com/vps) [DDoS protection](https://cubepath.com/ddos-protection) Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:36 UTC. [Sources and licenses](https://cubepath.com/security/cve/legal)