What is the CVSS score of CVE-2018-16158?

CVE-2018-16158 has a CVSS 3.0 base score of 9.8 (Critical). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 34.9%.

Is there a public PoC exploit available for CVE-2018-16158?

Yes, a public proof-of-concept exploit is available for CVE-2018-16158. Prioritise patching immediately. EPSS: 34.9%.

Power Xpert Meter 4000 Firmware CVE-2018-16158

CRITICAL

Use of Hard-coded Credentials (CWE-798)

2018-08-30 cve@mitre.org

Authentication Bypass Power Xpert Meter 4000 Firmware Power Xpert Meter 6000 Firmware Power Xpert Meter 8000 Firmware

9.8

CVSS 3.0 · 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:3.0/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

Aug 30, 2018 - 05:29 nvd

CRITICAL 9.8

DescriptionNVD

Eaton Power Xpert Meter 4000, 6000, and 8000 devices before 13.4.0.10 have a single SSH private key across different customers' installations and do not properly restrict access to this key, which makes it easier for remote attackers to perform SSH logins (to uid 0) via the PubkeyAuthentication option.

AnalysisAI

Eaton Power Xpert Meter 4000, 6000, and 8000 devices before 13.4.0.10 have a single SSH private key across different customers' installations and do not properly restrict access to this key, which. 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

This vulnerability is classified as Use of Hard-coded Credentials (CWE-798), which allows attackers to gain access using credentials embedded in source code. Eaton Power Xpert Meter 4000, 6000, and 8000 devices before 13.4.0.10 have a single SSH private key across different customers' installations and do not properly restrict access to this key, which makes it easier for remote attackers to perform SSH logins (to uid 0) via the PubkeyAuthentication option. Affected products include: Eaton Power Xpert Meter 4000 Firmware, Eaton Power Xpert Meter 6000 Firmware, Eaton Power Xpert Meter 8000 Firmware. Version information: before 13.4.0.10.

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.