CVE-2018-20052

CVSS V2 High 7.2 CVSS V3 High 7.8

Description

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.

Overview

CVE ID
CVE-2018-20052

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2019-04-25T16:29:00

Last Modified Date
2019-10-03T00:03:26

Weakness Enumerations

CWE	URL
CWE-1188	http://cwe.mitre.org/data/definitions/1188.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version End
		AND
cpe:2.3:o:cerner:connectivity_engine_4_firmware::::::::	1	OR	201812
cpe:2.3:h:cerner:connectivity_engine_4:-:::::::*	0	OR

CVSS Version 2

Version
2.0

Vector String
AV:L/AC:L/Au:N/C:C/I:C/A:C

Access Vector
LOCAL

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
COMPLETE

Integrity Impact
COMPLETE

Availability Impact
COMPLETE

Base Score
7.2

Severity
HIGH

Exploitability Score
3.9

Impact Score
10

CVSS Version 3

Version
3.0

Vector String
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
7.8

Base Severity
HIGH

Exploitability Score
1.8

Impact Score
5.9

References

Reference URL	Reference Tags
https://www.securifera.com/advisories/cve-2018-20052-20053/	Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2018-20052
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20052

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 17:34:34				Added to TrackCVE
2022-12-03 20:05:17	2019-04-25T16:29Z	2019-04-25T16:29:00	CVE Published Date	updated
2022-12-03 20:05:17		2019-10-03T00:03:26	CVE Modified Date	updated
2022-12-03 20:05:17		Analyzed	Vulnerability Status	updated