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CVE-2024-45388

63
FAUCET Score

CVE-2024-45388 is a high-severity arbitrary file read vulnerability affecting Hoverfly, a service virtualization tool. The flaw allows an unauthenticated attacker to read arbitrary files from the Hoverfly server by manipulating file paths in the /api/v2/simulation POST handler, bypassing intended path restrictions. This vulnerability has a CVSS score of 7.5 (HIGH) due to its network-based attack vector and high confidentiality impact, enabling attackers to access sensitive data. While there is no evidence of active exploitation, a Nuclei template exists, indicating public exploit code availability, though community discussion and media coverage are minimal.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.10.3CPE matchmatch criteria
cpe:2.3:a:hoverfly:hoverfly:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
55.85%
Probability of exploitation in next 30 days
EPSS Percentile
98.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2024-45388 · Sep 6, 2024
This CVE's current EPSS score of 0.5585 is in the 98th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

gopatch availablevia ghsa
Product: github.com/spectolabs/hoverflyFixed in: 1.10.3
github_advisoryvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

goGHSA-6xx4-x46f-f897high

Hoverfly allows an arbitrary file read in the `/api/v2/simulation` endpoint (`GHSL-2023-274`)

Sep 3, 2024

References

codeql.github.com / codeql-query-help/go/go-path-injection
Not Applicable
github.com / spectolabs/hoverfly/blob/15d6ee9ea4e0de67aec5a41c28d21dc147243da0/core/handlers/v2/simulation_handler.go
Product
github.com / SpectoLabs/hoverfly/releases/tag/v1.10.3
Release Notes
github.com / SpectoLabs/hoverfly/security/advisories/GHSA-6xx4-x46f-f897
ExploitVendor Advisory