CVE-2018-3891

Published Nov 2, 2018

Last updated 4 days ago

Overview

Description
An exploitable firmware downgrade vulnerability exists in the firmware update functionality of Yi Home Camera 27US 1.8.7.0D. A specially crafted file can cause a logic flaw, resulting in a firmware downgrade. An attacker can insert an SD card to trigger this vulnerability.
Source
talos-cna@cisco.com
NVD status
Modified

Risk scores

CVSS 3.1

Type
Primary
Base score
4.6
Impact score
3.6
Exploitability score
0.9
Vector string
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Severity
MEDIUM

CVSS 3.0

Type
Secondary
Base score
5.7
Impact score
4.7
Exploitability score
0.9
Vector string
CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
Severity
MEDIUM

CVSS 2.0

Type
Primary
Base score
2.1
Impact score
2.9
Exploitability score
3.9
Vector string
AV:L/AC:L/Au:N/C:N/I:P/A:N

Weaknesses

nvd@nist.gov
NVD-CWE-Other

Social media

Hype score
Not currently trending

Configurations