CVE-2017-20162

Public Exploit
vercel ms index.js parse redos

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.

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.05%
Third-Party Advisory vuldb.com Third-Party Advisory vuldb.com
Affected: vercel ms
Published at:
Updated at:

References

Link Tags
https://vuldb.com/?id.217451 third party advisory vdb entry permissions required technical description
https://vuldb.com/?ctiid.217451 signature third party advisory permissions required
https://github.com/vercel/ms/pull/89 patch issue tracking exploit
https://github.com/vercel/ms/commit/caae2988ba2a37765d055c4eee63d383320ee662 patch
https://github.com/vercel/ms/releases/tag/2.0.0 patch release notes

Frequently Asked Questions

What is the severity of CVE-2017-20162?
CVE-2017-20162 has been scored as a medium severity vulnerability.
How to fix CVE-2017-20162?
To fix CVE-2017-20162, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-20162 being actively exploited in the wild?
It is possible that CVE-2017-20162 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-20162?
CVE-2017-20162 affects vercel ms.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.