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ExploitedIn CISA KEVFix available

CVE-2020-14871

Exploitation confirmed. First attested on 2021-11-03 by CISA-ADP, CISA KEV, GCVE · kevintel.

  • Published2020-10-21
  • Fixed in11.1
  • WeaknessCWE-787

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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).

Timeline

dates in UTC
  1. 2020-10-2115:15CVE publishedNVD
  2. 2020-12-15Exploit-DB entryExploit-DB
  3. 2021-11-03Added to the CISA KEV catalogCISA KEV
  4. 2021-11-03Listed as exploited by GCVEGCVE
  5. 2021-11-03Exploitation first reportedCISA KEV
  6. 2024-07-1713:40SSVC exploitation set to activeCISA-ADP

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-14871?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-14871?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · CISA-ADP
Oracle solaris
BranchAffectedFixed in
11.1≥ 10, < 11.111.1
9.x= 9no fix published
10.x= 10no fix published
11.x= 11no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As oracle, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • Oracle Corporation Solaris Operating System
    Affected
    • = 10no fix stated
    • = 11no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2024-07-03

Fix

  1. Update Oracle solaris to 11.1
  2. CISA’s required action: Apply updates per vendor instructions.due 2022-05-03

Advisories and patches

Detection

read 2026-11-02 22:42 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
EDB-49261EDB-49896EDB-50039
Exploit-DB
Proof-of-concept repositories
2 repositories, unverifiedrobidev/CVE-2020-14871-ExploitFromPartsUnknown/EvilSunCheck
PoC-in-GitHub
Metasploit modules
1 moduleexploit/solaris/ssh/pam_username_bofrank: normalModule metadata: Metasploit Framework, © Rapid7, Inc., BSD-3-Clause.
Metasploit Framework

CISA Known Exploited Vulnerability

Date Added
2021-11-03
Patch Due Date
2022-05-03
Ransomware Use
Unknown
Required Action
Apply updates per vendor instructions.

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Published
2020-10-21
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-7pcp-8fjh-246q

Frequently asked questions

What is CVE-2020-14871?

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).

Is CVE-2020-14871 actively exploited?

Yes. CVE-2020-14871 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-05-03.

What is the CVSS score for CVE-2020-14871?

CVE-2020-14871 has a CVSS v3 base score of 10 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

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