SCA: security update for rack-cors (GHSA-2j9c-9vmv-7m39)

high Tenable Cloud Security Plugin ID 422445

Description

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

- Missing anchor in generated regex for rack-cors before 0.4.1 allows a malicious third-party site to
perform CORS requests. If the configuration were intended to allow only the trusted example.com domain
name and not the malicious example.net domain name, then example.com.example.net (as well as example.com-
example.net) would be inadvertently allowed. (CVE-2017-11173)

See Also

https://github.com/advisories/GHSA-2j9c-9vmv-7m39

Plugin Details

Severity: High

ID: 422445

Version: Revision 1.4

Type: Local

Family: SCA Checks

Published: 3/28/2025

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.12

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2017-11173

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/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

Patch Publication Date: 7/31/2018

Vulnerability Publication Date: 7/13/2017

Reference Information

CVE: CVE-2017-11173