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

CVE-2018-20385 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: 1.5%.

Is there a public PoC exploit available for CVE-2018-20385?

Yes, a public proof-of-concept exploit is available for CVE-2018-20385. Prioritise patching immediately. EPSS: 1.5%.

Cbv38Z4Ec Firmware CVE-2018-20385

CRITICAL

Insufficiently Protected Credentials (CWE-522)

2018-12-23 cve@mitre.org

Information Disclosure Cbv38Z4Ec Firmware Cbv38Z4Ecnit Firmware Cbw383G4J Firmware Cbw38G4J 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

Dec 23, 2018 - 21:29 nvd

CRITICAL 9.8

DescriptionNVD

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.

AnalysisAI

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. 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 Insufficiently Protected Credentials (CWE-522), which allows attackers to obtain user credentials due to weak protection mechanisms. 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. Affected products include: Castlenet Cbv38Z4Ec Firmware, Castlenet Cbv38Z4Ecnit Firmware, Castlenet Cbw383G4J Firmware, Castlenet Cbw38G4J Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Hash passwords with strong algorithms (bcrypt, argon2), encrypt credentials in transit and at rest, never log credentials.