Is CVE-2017-20162 actively exploited?

CVE-2017-20162 has no public evidence of in-the-wild exploitation as of 2025-11-03.

What is the CVSS score for CVE-2017-20162?

CVE-2017-20162 has a CVSS score of 4.3 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

How do I patch CVE-2017-20162?

Patch guidance is available from vercel security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2017-20162.

CVE-2017-20162 - remediation guidance & executive summary

Description

A vulnerability, which was classified as problematic, has been found in vercel ms up to 1.x. This issue affects the function parse of the file index.js. The manipulation of the argument str leads to inefficient regular expression complexity. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.0.0 is able to address this issue. The patch is named caae2988ba2a37765d055c4eee63d383320ee662. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-217451.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Attack Vector: network
Complexity: low
Privileges: low
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: low
Weaknesses: CWE-1333 CWE-1333

Metadata

Primary Vendor: VERCEL
Published: 1/5/2023
Last Modified: 11/3/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2017-20162

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary