What is the CVSS score of CVE-2020-16262?

CVE-2020-16262 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.4%.

Is there a public PoC exploit available for CVE-2020-16262?

Yes, a public proof-of-concept exploit is available for CVE-2020-16262. Prioritise patching immediately. EPSS: 0.4%.

Winston Firmware CVE-2020-16262

HIGH

Improper Privilege Management (CWE-269)

2020-10-28 cve@mitre.org

Privilege Escalation Winston Firmware

7.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Oct 28, 2020 - 18:15 nvd

HIGH 7.8

DescriptionNVD

Winston 1.5.4 devices have a local www-data user that is overly permissioned, resulting in root privilege escalation.

AnalysisAI

Winston 1.5.4 devices have a local www-data user that is overly permissioned, resulting in root privilege escalation. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Improper Privilege Management (CWE-269), which allows attackers to escalate privileges to gain unauthorized elevated access. Winston 1.5.4 devices have a local www-data user that is overly permissioned, resulting in root privilege escalation. Affected products include: Winstonprivacy Winston Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply principle of least privilege, validate privilege transitions, implement proper role separation.