CentOS 8 : systemd (CESA-2021:1611)

high Nessus Plugin ID 149774


The remote CentOS host is missing one or more security updates.


The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2021:1611 advisory.

- systemd: Spoofing of XDG_SEAT allows for actions to be checked against allow_active instead of allow_any (CVE-2019-3842)

- systemd: Mishandles numerical usernames beginning with decimal digits or 0x followed by hexadecimal digits (CVE-2020-13776)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.


Update the affected packages.

See Also


Plugin Details

Severity: High

ID: 149774

File Name: centos8_RHSA-2021-1611.nasl

Version: 1.5

Type: local

Agent: unix

Published: 5/19/2021

Updated: 5/10/2022

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure

Risk Information


Risk Factor: Medium

Score: 6.7


Risk Factor: Medium

Base Score: 6.2

Temporal Score: 4.9

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

Temporal Vector: E:POC/RL:OF/RC:C

CVSS Score Source: CVE-2020-13776


Risk Factor: High

Base Score: 7

Temporal Score: 6.3

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

Temporal Vector: E:P/RL:O/RC:C

CVSS Score Source: CVE-2019-3842

Vulnerability Information

CPE: cpe:/o:centos:centos:8-stream, p-cpe:/a:centos:centos:systemd, p-cpe:/a:centos:centos:systemd-container, p-cpe:/a:centos:centos:systemd-devel, p-cpe:/a:centos:centos:systemd-journal-remote, p-cpe:/a:centos:centos:systemd-libs, p-cpe:/a:centos:centos:systemd-pam, p-cpe:/a:centos:centos:systemd-tests, p-cpe:/a:centos:centos:systemd-udev

Required KB Items: Host/local_checks_enabled, Host/CentOS/release, Host/CentOS/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/18/2021

Vulnerability Publication Date: 4/9/2019

Reference Information

CVE: CVE-2019-3842, CVE-2020-13776

RHSA: 2021:1611