CVE-2020-14871
Oracle Solaris and Zettabyte File System (ZFS) Unspecified Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 3 May 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
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).
- CVSS 3.1
- 10.0 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- EPSS
- 80.16% probability · 100th percentile
- Public exploits
- 3 in Exploit-DB · first 15 December 2020
- CISA KEV
- Listed 3 November 2021 · due 3 May 2022
- Weakness
- CWE-787
- Affected
- oracle/solaris
- Source
- secalert_us@oracle.com
EPSS 80.2% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2020-14871
Public exploits (3)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
| EDB-ID | Title | Type | Published | Verified |
|---|---|---|---|---|
| EDB-50039source ↗ | Solaris SunSSH 11.0 x86 - libpam Remote Root (3)solaris · Nathaniel Singer | remote | 21 June 2021 | no |
| EDB-49896source ↗ | Solaris SunSSH 11.0 x86 - libpam Remote Root (2)solaris · legend | remote | 21 May 2021 | no |
| EDB-49261source ↗ | Solaris SunSSH 11.0 x86 - libpam Remote Rootsolaris · Hacker Fantastic | remote | 15 December 2020 | no |
References
- http://packetstormsecurity.com/files/159961/SunSSH-Solaris-10-x86-Remote-Root.htmlThird Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/160510/Solaris-SunSSH-11.0-x86-libpam-Remote-Root.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/160609/Oracle-Solaris-SunSSH-PAM-parse_user_name-Buffer-Overflow.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/163232/Solaris-SunSSH-11.0-Remote-Root.htmlExploit, Third Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2021/03/03/1Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2024/07/03/3Mailing List, Patch
- https://www.oracle.com/security-alerts/cpuoct2020.htmlVendor Advisory
- http://packetstormsecurity.com/files/159961/SunSSH-Solaris-10-x86-Remote-Root.htmlThird Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/160510/Solaris-SunSSH-11.0-x86-libpam-Remote-Root.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/160609/Oracle-Solaris-SunSSH-PAM-parse_user_name-Buffer-Overflow.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/163232/Solaris-SunSSH-11.0-Remote-Root.htmlExploit, Third Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2021/03/03/1Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2024/07/03/3Mailing List, Patch
- https://www.oracle.com/security-alerts/cpuoct2020.htmlVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-14871US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.