What is the CVSS score of CVE-2018-3928?

CVE-2018-3928 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 2.3%.

Is there a public PoC exploit available for CVE-2018-3928?

Yes, a public proof-of-concept exploit is available for CVE-2018-3928. Prioritise patching immediately. EPSS: 2.3%.

Yi Home Camera Firmware CVE-2018-3928

HIGH

Information Exposure (CWE-200)

2018-11-01 talos-cna@cisco.com

Denial Of Service RCE Information Disclosure Yi Home Camera Firmware

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Nov 01, 2018 - 15:29 nvd

HIGH 7.5

DescriptionNVD

An exploitable code execution vulnerability exists in the firmware update functionality of Yi Home Camera 27US 1.8.7.0D. A specially crafted set of UDP packets can cause a settings change, resulting in denial of service. An attacker can send a set of packets to trigger this vulnerability.

AnalysisAI

An exploitable code execution vulnerability exists in the firmware update functionality of Yi Home Camera 27US 1.8.7.0D. Rated high severity (CVSS 7.5), 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 Exposure of Sensitive Information (CWE-200), which allows attackers to access sensitive data that should not be disclosed. An exploitable code execution vulnerability exists in the firmware update functionality of Yi Home Camera 27US 1.8.7.0D. A specially crafted set of UDP packets can cause a settings change, resulting in denial of service. An attacker can send a set of packets to trigger this vulnerability. Affected products include: Yitechnology Yi Home Camera Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Minimize information in error messages, implement proper access controls, encrypt sensitive data at rest and in transit.