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CVE-2024-24753

20
FAUCET Score

CVE-2024-24753 affects Bref, a serverless PHP framework for AWS Lambda, specifically when used with API Gateway v2. It stems from Bref's inability to properly handle multiple headers with the same key, leading to only the latest header being retained. This could weaken application security if multiple headers (e.g., Content-Security-Policy) are critical for protection, resulting in potential information disclosure or integrity issues (CVSS 6.5 MEDIUM). There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.1.13CPE matchmatch criteria
cpe:2.3:a:mnapoli:bref:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.8MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
2.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.43%
Probability of exploitation in next 30 days
EPSS Percentile
34.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0043 is in the 22nd percentile among its peer group of 23,723 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (2)

composerpatch availablevia ghsa
Product: bref/brefFixed in: 2.1.13
github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-99f9-gv72-fw9rmedium

Bref Doesn't Support Multiple Value Headers in ApiGatewayFormatV2

Feb 1, 2024

References

github.com / brefphp/bref/commit/f834027aaf88b3885f4aa8edf6944ae920daf2dc
Patch
github.com / brefphp/bref/security/advisories/GHSA-99f9-gv72-fw9r
ExploitVendor Advisory