What is the CVSS score of CVE-2020-16258?

CVE-2020-16258 has a CVSS 3.1 base score of 7.1 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H. EPSS exploitation probability: 0.4%.

Is there a public PoC exploit available for CVE-2020-16258?

Yes, a public proof-of-concept exploit is available for CVE-2020-16258. Prioritise patching immediately. EPSS: 0.4%.

Winston Firmware CVE-2020-16258

HIGH

Use of Hard-coded Credentials (CWE-798)

2020-10-28 cve@mitre.org

Authentication Bypass Winston Firmware

7.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.1 HIGH

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Oct 28, 2020 - 18:15 nvd

HIGH 7.1

DescriptionNVD

Winston 1.5.4 devices make use of a Monit service (not managed during the normal user process) which is configured with default credentials.

AnalysisAI

Winston 1.5.4 devices make use of a Monit service (not managed during the normal user process) which is configured with default credentials. Rated high severity (CVSS 7.1), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Use of Hard-coded Credentials (CWE-798), which allows attackers to gain access using credentials embedded in source code. Winston 1.5.4 devices make use of a Monit service (not managed during the normal user process) which is configured with default credentials. Affected products include: Winstonprivacy Winston Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Remove hard-coded credentials, use environment variables or secrets management, rotate exposed credentials immediately.