What is the CVSS score of CVE-2020-16259?

CVE-2020-16259 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.7%.

Is there a public PoC exploit available for CVE-2020-16259?

Yes, a public proof-of-concept exploit is available for CVE-2020-16259. Prioritise patching immediately. EPSS: 1.7%.

Winston Firmware CVE-2020-16259

CRITICAL

2020-10-28 cve@mitre.org

Information Disclosure Winston Firmware

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Oct 28, 2020 - 18:15 nvd

CRITICAL 9.8

DescriptionNVD

Winston 1.5.4 devices have an SSH user account with access from bastion hosts. This is undocumented in device documents and is not announced to the user.

AnalysisAI

Winston 1.5.4 devices have an SSH user account with access from bastion hosts. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

Winston 1.5.4 devices have an SSH user account with access from bastion hosts. This is undocumented in device documents and is not announced to the user. Affected products include: Winstonprivacy Winston Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.