CVE-2020-14871
CriticalExploitedPublic exploitEasily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Solaris.
Published Oct 21, 2020 · Updated Oct 27, 2025
Key Facts
Patch immediately- CVE-2020-14871 is a critical-severity vulnerability (CVSS 10.0 v3.1) affecting Solaris (Oracle), Solaris Operating System.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Sep 4, 2020. Public exploit code is available.
- EPSS estimates a 80% probability of exploitation in the next 30 days.
- Fixed versions are available, including Solaris 11.1.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
10.0
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
80%
Higher than 99.6% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
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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).
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Nov 3, 2021 | May 3, 2022 | Not reported |
| Industry KEV feed | Sep 4, 2020 | May 3, 2022 | Not reported |
| CIRCL KEV | Nov 3, 2021 | May 3, 2022 | Not reported |
| ENISA EUVD | Nov 3, 2021 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
3 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| SolarisOracle | 9 | 11.1 |
| Solaris Operating System | >= 10 | n/a |
Patched Releases
Solaris
11.1
Timeline
Added to Industry KEV feed
Sep 4, 2020
Publicly disclosed
Oct 21, 2020
Added to CISA KEV
Nov 3, 2021
Added to CIRCL KEV
Nov 3, 2021
Added to ENISA EUVD
Nov 3, 2021
Last updated
Oct 27, 2025
Weakness Type
- CWE-787 Out-of-bounds Write
References
- advisoryhttp://packetstormsecurity.com/files/159961/SunSSH-Solaris-10-x86-Remote-Root.html
- advisoryhttps://www.oracle.com/security-alerts/cpuoct2020.html
- advisory[oss-security] 20210302 Announce: OpenSSH 8.5 released
- patch[oss-security] 20240703 Re: CVE-2024-6387: RCE in OpenSSH's server, on glibc-based Linux systems
- exploithttp://packetstormsecurity.com/files/160510/Solaris-SunSSH-11.0-x86-libpam-Remote-Root.html
FAQ
Common Questions.
Vulnerability in the Oracle Solaris product of Oracle Systems (component: Pluggable authentication module).
Affected: Solaris (Oracle) versions 9; Solaris Operating System versions >= 10. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Sep 4, 2020.
Yes. It was added on Nov 3, 2021 with a federal remediation due date of May 3, 2022.
Public exploit code is available.
Fixed versions are available, including Solaris 11.1.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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