Vulnerability · Published Aug 3, 2023 · Assigned by cloudflare

CVE-2023-3348Directory traversal vulnerability in Cloudflare Wrangler

Medium 5.7

In plain English

A medium-severity path traversal in Wrangler from Cloudflare. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 57% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.7Medium
Exploit odds (30 days)0.8%top 42.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

The Wrangler command line tool  (<=wrangler@3.1.0 or <=wrangler@2.20.1) was affected by a directory traversal vulnerability when running a local development server for Pages (wrangler pages dev command). This vulnerability enabled an attacker in the same network as the victim to connect to the local development server and access the victim's files present outside of the directory for the development server.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
npmwrangler2.20.1GHSA-8c93-4hch-xgxp

Affected products (as reported)

VendorProductVersions
Cloudflare Wrangler 3 – before 3.1.12 – before 2.20.1

Weakness: CWE-22 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

References