CVE-2017-20162

MEDIUM

Vercel MS <2.0.0 - Regular Expression Complexity

Title source: llm
STIX 2.1

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.

References (6)

Core 6
Core References
Permissions Required, Third Party Advisory vdb-entry technical-description
https://vuldb.com/?id.217451
Permissions Required, Third Party Advisory signature permissions-required
https://vuldb.com/?ctiid.217451
Exploit, Issue Tracking, Patch exploit issue-tracking
https://github.com/vercel/ms/pull/89

Scores

CVSS v3 4.3
EPSS 0.0031
EPSS Percentile 54.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Details

CWE
CWE-1333
Status published
Products (2)
npm/ms 0 - 2.0.0npm
vercel/ms < 2.0.0
Published Jan 05, 2023
Tracked Since Feb 18, 2026