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CVE

CWE

Training

CVE-2017-20162

Published: Jan 5, 2023

Modified: Nov 3, 2025

PUBLISHED

CVSS v3.1

4.3

MEDIUM

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.

Vendor	Product	Versions
vercel	ms	affected `1.x`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

References

https://vuldb.com/?id.217451

vdb-entry

technical-description

https://vuldb.com/?ctiid.217451

signature

permissions-required

https://github.com/vercel/ms/pull/89

exploit

issue-tracking

https://github.com/vercel/ms/commit/caae2988ba2a37765d055c4eee63d383320ee662

patch

https://github.com/vercel/ms/releases/tag/2.0.0

patch

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