Detections
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Alpine: php8: security update to 8.0.8-r0

medium Tenable Self-Hosted Container Security Plugin ID 406373

Description

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

 - In PHP versions 7.3.x below 7.3.29, 7.4.x below 7.4.21 and 8.0.x below 8.0.8, when using URL validation
 functionality via filter_var() function with FILTER_VALIDATE_URL parameter, an URL with invalid password
 field can be accepted as valid. This can lead to the code incorrectly parsing the URL and potentially
 leading to other security implications - like contacting a wrong server or making a wrong access decision.
 (CVE-2021-21705)

See Also

https://security.alpinelinux.org/vuln/CVE-2021-21705

Plugin Details

Severity: Medium

ID: 406373

Version: Revision 1.25

Type: Local

Published: 10/31/2023

Updated: 7/2/2026

Supported Sensors: Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2021-21705

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.8

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

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

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 6/28/2021

Reference Information

CVE: CVE-2021-21705