Vulnerability Monitor

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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.

Security Impact Summary

This vulnerability carries a CRITICAL severity rating with a CVSS v3.1 score of 9.8, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 8 products from castlenet, from castlenet, from castlenet and 5 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2018, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2018-12-23T21:29:00.607

Last Modified

2024-11-21T04:01:22.610

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-522

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	castlenet	cbv38z4ec_firmware	25.553mp1.39219mp1.899.007	Yes
Hardware	castlenet	cbv38z4ec	1.0	No
Operating System	castlenet	cbv38z4ecnit_firmware	125.553mp1.39219mp1.899.005itt	Yes
Hardware	castlenet	cbv38z4ecnit	1.0	No
Operating System	castlenet	cbw383g4j_firmware	37.556mp5.008	Yes
Hardware	castlenet	cbw383g4j	1.01	No
Operating System	castlenet	cbw38g4j_firmware	37.553mp1.008	Yes
Hardware	castlenet	cbw38g4j	1.0	No

References

https://github.com/ezelf/sensitivesOids/blob/master/oidpassswordleaks.csv Third Party Advisory ([email protected])
https://misteralfa-hack.blogspot.com/2018/12/stringbleed-y-ahora-que-passwords-leaks.html Exploit, Third Party Advisory ([email protected])
https://github.com/ezelf/sensitivesOids/blob/master/oidpassswordleaks.csv Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://misteralfa-hack.blogspot.com/2018/12/stringbleed-y-ahora-que-passwords-leaks.html Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For castlenet's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.