CVE-2023-7079: cloudflare wrangler Improper Authentication
CVSS: 6.4v3.1MediumModified
AliasesGHSA-cfph-4qqh-w828
Published 29-12-2023Last modified 02-08-2024
Vulnerability summary
CVE-2023-7079 is a medium (CVSS 6.4) Improper Authentication vulnerability in cloudflare wrangler. EPSS estimates a 0.70% chance of exploitation in the next 30 days, higher than 52.3% of scored vulnerabilities.
CVSS score
6.4/10
010
Medium · v3.1 (CVE.org)EPSS score
0.70%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 29-12-2023PublishedVulnerability first disclosed.
- 02-08-2024Last modifiedVulnerability information updated.
Description
Sending specially crafted HTTP requests and inspector messages to Wrangler's dev server could result in any file on the user's computer being accessible over the local network. An attacker that could trick any user on the local network into opening a malicious website could also read any file.
CVSS metrics
3 scores · 3 sources · 1 versionMedium 6.4Preferred score · CVE.org (CNA)
CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:NSources3 sources · 5.7–6.9
- OSV · NpmEcosystem advisory · calculated6.9MediumCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:NDiffers
- NVDNIST5.7MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:NDiffers
EPSS trend
Probability
0.70%
Chance of exploitation in the next 30 days
Percentile
52%
Versus all other CVEs
30-day change
0.00 pp
From 0.70% on 20-09-2026
20-09-202620-10-2026
EPSS score0.70%
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
- wrangler≤ 3.9.0 | < 3.19.0 | ≥ 3.9.0, < 3.19.0
Npm1 product
- wrangler≥ 3.9.0, < 3.19.0
2 vendors · 2 products
References
7 links- github.com/cloudflare/workers-sdk/security/advisories/GHSA-cfph-4qqh-w828WEBPatchThird Party Advisory