CVE-2023-7078: cloudflare miniflare Server-Side Request Forgery (SSRF)
Vulnerability summary
CVE-2023-7078 is a high (CVSS 8.1) Server-Side Request Forgery (SSRF) vulnerability in cloudflare miniflare. EPSS estimates a 0.55% chance of exploitation in the next 30 days, higher than 45% of scored vulnerabilities.
Timeline
- 29-12-2023PublishedVulnerability first disclosed.
- 26-08-2024Last modifiedVulnerability information updated.
Description
Sending specially crafted HTTP requests to Miniflare's server could result in arbitrary HTTP and WebSocket requests being sent from the server. If Miniflare was configured to listen on external network interfaces (as was the default in wrangler until 3.19.0), an attacker on the local network could access other local servers.
CVSS metrics
3 scores · 3 sources · 1 version- CVE.orgCNA7.5HighCVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:NDiffers
- OSV · NpmEcosystem advisory · calculated7.5HighCVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:NDiffers
EPSS trend
Probability
0.55%
Chance of exploitation in the next 30 days
Percentile
45%
Versus all other CVEs
30-day change
0.00 pp
From 0.55% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Cloudflare1 product
- miniflare≤ <=3.20230821.0 | < 3.20231030.2 | ≥ 3.20230821.0, < 3.20231030.2
Npm1 product
- miniflare≥ 3.20230821.0, < 3.20231030.2
2 vendors · 2 products
References
4 links- github.com/cloudflare/workers-sdk/security/advisories/GHSA-fwvg-2739-22v7WEBPatchThird Party Advisory