SCA: security update for fastify-reply-from (GHSA-qmw8-3v4g-gwj4)

critical Tenable Self-Hosted Container Security Plugin ID 418222

Description

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

- fastify-reply-from is an npm package which is a fastify plugin to forward the current http request to
another server. In fastify-reply-from before version 4.0.2, by crafting a specific URL, it is possible to
escape the prefix of the proxied backend service. If the base url of the proxied server is "/pub/", a user
expect that accessing "/priv" on the target service would not be possible. In affected versions, it is
possible. This is fixed in version 4.0.2. (CVE-2021-21321)

See Also

https://github.com/advisories/GHSA-qmw8-3v4g-gwj4

Plugin Details

Severity: Critical

ID: 418222

Version: Revision 1.5

Type: Local

Family: SCA Checks

Published: 1/23/2025

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 95.11

Vendor

Vendor Severity: Critical

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2021-21321

CVSS v3

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.7

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

Patch Publication Date: 3/3/2021

Vulnerability Publication Date: 3/2/2021

Reference Information

CVE: CVE-2021-21321

cwe: CWE-20