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No exploitation reported

CVE-2018-20385

No exploitation reported by the sources we read.

  • Published2018-12-23
  • WeaknessCWE-522

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

CastleNet CBV38Z4EC 125.553mp1.39219mp1.899.007, CBV38Z4ECNIT 125.553mp1.39219mp1.899.005ITT, CBW383G4J 37.556mp5.008, and CBW38G4J 37.553mp1.008 devices allow remote attackers to discover credentials via iso.3.6.1.4.1.4491.2.4.1.1.6.1.1.0 and iso.3.6.1.4.1.4491.2.4.1.1.6.1.2.0 SNMP requests.

Timeline

dates in UTC
  1. 2018-12-2321:29CVE publishedNVD

Versions per branch

NVD
Castlenet cbv38z4ec firmwareversion to verify
BranchAffectedFixed in
25.553= 25.553mp1.39219mp1.899.007no fix published
Castlenet cbv38z4ecnit firmwareversion to verify
BranchAffectedFixed in
125.553= 125.553mp1.39219mp1.899.005ittno fix published
Castlenet cbw383g4j firmwareversion to verify
BranchAffectedFixed in
37.556= 37.556mp5.008no fix published

1 more product in the sources.

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

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
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
2018-12-23
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-v538-h8wg-rjxf

Frequently asked questions

What is CVE-2018-20385?

CastleNet CBV38Z4EC 125.553mp1.39219mp1.899.007, CBV38Z4ECNIT 125.553mp1.39219mp1.899.005ITT, CBW383G4J 37.556mp5.008, and CBW38G4J 37.553mp1.008 devices allow remote attackers to discover credentials via iso.3.6.1.4.1.4491.2.4.1.1.6.1.1.0 and iso.3.6.1.4.1.4491.2.4.1.1.6.1.2.0 SNMP requests.

Is CVE-2018-20385 actively exploited?

Active exploitation of CVE-2018-20385 has not been confirmed. Its EPSS score was 1.5% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-20385?

CVE-2018-20385 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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