8.1

CVE-2023-7078: cloudflare miniflare Server-Side Request Forgery (SSRF)

CVSS: 8.1v3.1HighModified
AliasesGHSA-fwvg-2739-22v7
Published 29-12-2023Last modified 26-08-2024

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.

Overall risk
33/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.1/10
010
High · v3.1 (NVD)
EPSS score
0.55%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 29-12-2023
    PublishedVulnerability first disclosed.
  2. 26-08-2024
    Last 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

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

20-09-202620-10-2026
EPSS score
0.55%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected 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