CVE-2018-20052
7.2 High
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.7 High
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
12.6%
An issue was discovered on Cerner Connectivity Engine (CCE) 4 devices. The user running the main CCE firmware has NOPASSWD sudo privileges to several utilities that could be used to escalate privileges to root. One example is the “sudo ln -s /tmp/script /etc/cron.hourly/script” command.
Affected configurations
| CPE | Name | Operator | Version |
|---|---|---|---|
| cerner:connectivity_engine_4_firmware | cerner connectivity engine 4 firmware | lt | 201812 |
Related
7.2 High
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.7 High
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
12.6%