What is the CVSS score of CVE-2018-20399?

CVE-2018-20399 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: 2.6%.

Is there a public PoC exploit available for CVE-2018-20399?

Yes, a public proof-of-concept exploit is available for CVE-2018-20399. Prioritise patching immediately. EPSS: 2.6%.

Sbg901 Firmware CVE-2018-20399

CRITICAL

Insufficiently Protected Credentials (CWE-522)

2018-12-23 cve@mitre.org

Information Disclosure Sbg901 Firmware Sbg941 Firmware Svg1202 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

Motorola SBG901 SBG901-2.10.1.1-GA-00-581-NOSH, SBG941 SBG941-2.11.0.0-GA-07-624-NOSH, and SVG1202 SVG1202-2.1.0.0-GA-14-LTSH 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

Motorola SBG901 SBG901-2.10.1.1-GA-00-581-NOSH, SBG941 SBG941-2.11.0.0-GA-07-624-NOSH, and SVG1202 SVG1202-2.1.0.0-GA-14-LTSH devices allow remote attackers to discover credentials via. 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. Motorola SBG901 SBG901-2.10.1.1-GA-00-581-NOSH, SBG941 SBG941-2.11.0.0-GA-07-624-NOSH, and SVG1202 SVG1202-2.1.0.0-GA-14-LTSH 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: Motorola Sbg901 Firmware, Motorola Sbg941 Firmware, Motorola Svg1202 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.