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Public proof of conceptFix available

CVE-2018-16158

A public proof of concept exists; no exploitation attested.

  • Published2018-08-30
  • Fixed in13.4.0.10
  • WeaknessCWE-798

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2018-08-3005:29CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-11-02 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2018-16158?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2018-16158?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Eaton power xpert meter 4000 firmwareversion to verify
BranchAffectedFixed in
13.4< 13.4.0.1013.4.0.10
Eaton power xpert meter 6000 firmwareversion to verify
BranchAffectedFixed in
13.4< 13.4.0.1013.4.0.10
Eaton power xpert meter 8000 firmwareversion to verify
BranchAffectedFixed in
13.4< 13.4.0.1013.4.0.10

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Eaton power xpert meter 4000 firmware to 13.4.0.10

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
1 moduleauxiliary/scanner/ssh/eaton_xpert_backdoorrank: normalModule metadata: Metasploit Framework, © Rapid7, Inc., BSD-3-Clause.
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2018-08-30
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-fmmf-r287-5vmf

Frequently asked questions

What is CVE-2018-16158?

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.

Is CVE-2018-16158 actively exploited?

Active exploitation of CVE-2018-16158 has not been confirmed. Its EPSS score was 30.3% on 2026-11-02, the estimated probability of exploitation in the next 30 days.

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

CVE-2018-16158 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record