What’s Vulnerable › Vulnerabilities

CVE-2020-2656

• Severity: medium (CVSS 4.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-01-15 · updated 2026-06-17

Description

Vulnerability in the Oracle Solaris product of Oracle Systems (component: X Window System). Supported versions that are affected are 10 and 11. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Oracle Solaris executes to compromise Oracle Solaris. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Solaris accessible data as well as unauthorized read access to a subset of Oracle Solaris accessible data. CVSS 3.0 Base Score 4.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N).

Affected products

• Oracle Corporation Solaris Operating System: 10, 11

References

• http://packetstormsecurity.com/files/155990/Solaris-xlock-Information-Disclosure.html
• http://seclists.org/fulldisclosure/2020/Jan/23
• http://www.openwall.com/lists/oss-security/2020/01/20/2
• https://seclists.org/bugtraq/2020/Jan/23
• https://www.oracle.com/security-alerts/cpujan2020.html
• http://packetstormsecurity.com/files/155990/Solaris-xlock-Information-Disclosure.html
• http://seclists.org/fulldisclosure/2020/Jan/23
• http://www.openwall.com/lists/oss-security/2020/01/20/2
• https://seclists.org/bugtraq/2020/Jan/23
• https://www.oracle.com/security-alerts/cpujan2020.html

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