Medium 4.3Published Jan 5, 2023

CVE-2017-20162vercel ms index.js parse redos

Updated under an hour ago (2026-10-19 06:10 UTC)

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It affects vercel ms. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for vercel ms

Exploited in the last 30 days

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: 4.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Weakness (CWE): CWE-1333
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Modified
Record last updated: Oct 15, 2026
First seen by InfoSec Signals: Oct 15, 2026

Affected products

Affected products

vercel ms vercel:ms (from the name)	1.x	CNA record
vercel ms vercel:ms	before 2.0.0	NVD

References

https://vuldb.com/?id.217451vdb-entry, technical-description, permissions-required, third-party-advisory
https://vuldb.com/?ctiid.217451signature, permissions-required, third-party-advisory
https://github.com/vercel/ms/pull/89exploit, issue-tracking, patch
https://github.com/vercel/ms/commit/caae2988ba2a37765d055c4eee63d383320ee662patch
https://github.com/vercel/ms/releases/tag/2.0.0patch, release-notes
https://security.netapp.com/advisory/ntap-20241108-0002/

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.