Detections
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Alpine: multiple xwayland packages: security update to 21.1.0-r4

high Tenable Cloud Security Plugin ID 407947

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - A flaw was found in xorg-x11-server in versions before 1.20.11. An integer underflow can occur in xserver
 which can lead to a local privilege escalation. The highest threat from this vulnerability is to data
 confidentiality and integrity as well as system availability. (CVE-2021-3472)

See Also

https://security.alpinelinux.org/vuln/CVE-2021-3472

Plugin Details

Severity: High

ID: 407947

Version: Revision 1.29

Type: Local

Published: 10/31/2023

Updated: 12/12/2025

Supported Sensors: Agentless Assessment

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.12

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2021-3472

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 4/14/2021

Reference Information

CVE: CVE-2021-3472