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CVE-2020-14871

97
FAUCET Score

CVE-2020-14871 is a critical vulnerability in the Pluggable Authentication Module (PAM) component of Oracle Solaris versions 10 and 11, allowing unauthenticated attackers with network access to fully compromise the system. This easily exploitable flaw carries a CVSS 3.1 Base Score of 10.0, indicating severe impacts on confidentiality, integrity, and availability, potentially leading to a complete system takeover. Although not exploitable in Solaris 11.1+ and ZFSSA 8.7+, it is actively exploited in the wild, with multiple Metasploit modules and ExploitDB entries available. The high EPSS score, FAUCET Risk Score, and significant media coverage underscore its severe risk and widespread attention.

Impacted Technologies

VendorProductVersion(s)CPE
>= 10, < 11.1CPE matchmatch criteria
cpe:2.3:o:oracle:solaris:*:*:*:*:*:*:*:*
9CPE matchmatch criteria
cpe:2.3:o:oracle:solaris:9:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

10.0CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
79.84%
Probability of exploitation in next 30 days
EPSS Percentile
99.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Added to KEV · Nov 3, 2021
Metasploit: Oracle Solaris SunSSH PAM parse_user_name() Buffer Overflow · Oct 20, 2020
ExploitDB: EDB-50039 · Jun 21, 2021
This CVE's current EPSS score of 0.7984 is in the 98th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

oraclevendor investigatingvia nvd_reference
View patch

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
packetstormsecurity.com / files/159961/SunSSH-Solaris-10-x86-Remote-Root.html
Third Party AdvisoryVDB Entry
packetstormsecurity.com / files/160510/Solaris-SunSSH-11.0-x86-libpam-Remote-Root.html
ExploitThird Party AdvisoryVDB Entry
packetstormsecurity.com / files/160609/Oracle-Solaris-SunSSH-PAM-parse_user_name-Buffer-Overflow.html
ExploitThird Party AdvisoryVDB Entry
packetstormsecurity.com / files/163232/Solaris-SunSSH-11.0-Remote-Root.html
ExploitThird Party AdvisoryVDB Entry
oracle.com / security-alerts/cpuoct2020.html
Vendor Advisory
openwall.com / lists/oss-security/2021/03/03/1
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2024/07/03/3
Mailing ListPatch