Vulnerability in Vercel Ms
CVE-2017-20162
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.
Vulnerability class: ReDoS (Regular Expression Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.010 (61.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 61.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: +0.000
Affected products
- Vercel Ms — versions 1.x
Weakness classification (CWE)
References
- vuldb.com/ (Permissions Required, technical-description, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, Third Party Advisory)
- github.com/vercel/ms/pull/89 (issue-tracking, Exploit, Patch, exploit, Issue Tracking)
- github.com/vercel/ms/commit/caae2988ba2a37765d055c4eee63d383320ee662 (Patch, patch)
- github.com/vercel/ms/releases/tag/2.0.0 (Patch, Release Notes, patch)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2017-20162?
- CVE-2017-20162 is a medium-severity vulnerability in Vercel Ms, classified under Inefficient Regular Expression Complexity. CVSS score: 4.3/10. Published 2023-01-05.
- How severe is CVE-2017-20162?
- Medium severity. CVSS v3 base score is 4.3 out of 10.