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CVE-2018-20385

29
FAUCET Score

CVE-2018-20385 is a critical vulnerability affecting various CastleNet CBV38Z4EC, CBV38Z4ECNIT, CBW383G4J, and CBW38G4J devices, allowing remote attackers to discover credentials via specific SNMP requests. With a CVSS score of 9.8 (CRITICAL), this vulnerability is easily exploitable over the network with low attack complexity, potentially leading to complete compromise of confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
25.553mp1.39219mp1.899.007CPE matchmatch criteria
cpe:2.3:o:castlenet:cbv38z4ec_firmware:25.553mp1.39219mp1.899.007:*:*:*:*:*:*:*
125.553mp1.39219mp1.899.005ittCPE matchmatch criteria
cpe:2.3:o:castlenet:cbv38z4ecnit_firmware:125.553mp1.39219mp1.899.005itt:*:*:*:*:*:*:*
37.556mp5.008CPE matchmatch criteria
cpe:2.3:o:castlenet:cbw383g4j_firmware:37.556mp5.008:*:*:*:*:*:*:*
37.553mp1.008CPE matchmatch criteria
cpe:2.3:o:castlenet:cbw38g4j_firmware:37.553mp1.008:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

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 Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.51%
Probability of exploitation in next 30 days
EPSS Percentile
71.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0151 is in the 59th percentile among its peer group of 36,833 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / ezelf/sensitivesOids/blob/master/oidpassswordleaks.csv
Third Party Advisory
misteralfa-hack.blogspot.com / 2018/12/stringbleed-y-ahora-que-passwords-leaks.html
ExploitThird Party Advisory