What is the CVSS score of CVE-2018-20393?

CVE-2018-20393 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: 1.6%.

Is there a public PoC exploit available for CVE-2018-20393?

Yes, a public proof-of-concept exploit is available for CVE-2018-20393. Prioritise patching immediately. EPSS: 1.6%.

Dpc3928Sl Firmware CVE-2018-20393

CRITICAL

2018-12-23 cve@mitre.org

Information Disclosure Dpc3928Sl Firmware Cga0111 Firmware Cga0101 Firmware Tc7110 Ar Firmware Tc7110 B Firmware Tc7110 D Firmware Tc7200 D1I Firmware Tc7200 Th2V2 D1I Firmware Technicolor

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

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

Technicolor CGA0111 CGA0111E-ES-13-E23E-c8000r5712-170217-0829-TRU, CWA0101 CWA0101E-A23E-c7000r5712-170315-SKC, DPC3928SL D3928SL-PSIP-13-A010-c3420r55105-170214a, TC7110.AR STD3.38.03, TC7110.B STC8.62.02, TC7110.D STDB.79.02, TC7200.d1I TC7200.d1IE-N23E-c7000r5712-170406-HAT, and TC7200.TH2v2 SC05.00.22 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

Technicolor CGA0111 CGA0111E-ES-13-E23E-c8000r5712-170217-0829-TRU, CWA0101 CWA0101E-A23E-c7000r5712-170315-SKC, DPC3928SL D3928SL-PSIP-13-A010-c3420r55105-170214a, TC7110.AR STD3.38.03, TC7110.B. 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

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.