Public proof of conceptFix available

CVE-2024-21546

Q: Is CVE-2024-21546 actively exploited?

Active exploitation of CVE-2024-21546 has not been confirmed. Its EPSS score was 1.3% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2024-21546?

CVE-2024-21546 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

A public proof of concept exists; no exploitation attested.

Published2024-12-18
Fixed in2.9.1
WeaknessCWE-94

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Versions of the package unisharp/laravel-filemanager before 2.9.1 are vulnerable to Remote Code Execution (RCE) through using a valid mimetype and inserting the . character after the php file extension. This allows the attacker to execute malicious code.

Timeline

dates in UTC

2024-12-1806:15CVE publishedNVD
2026-10-2319:23First public proof of conceptPoC-in-GitHub

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2024-21546?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2024-21546?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

OSV

unisharp/laravel-filemanager

Branch	Affected	Fixed in	Source
2.9	< 2.9.1	2.9.1	OSV

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update unisharp/laravel-filemanager to 2.9.1

Detection

read 2026-10-23 19:24 UTC

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: 2 repositories, unverifiedajdumanhug/CVE-2024-21546digitalsurgn/CVE-2024-21546

Sources

NVDCVE recordread 2026-10-23
CISA-ADPSSVC decisionnone2024-12-18
OpenCVESSVC decisionnone—
CNACVSS 4.08.9read 2026-10-23
CNACVSS 3.19.8read 2026-10-23
CNAweakness (CWE)CWE-94read 2026-10-23
FIRST EPSSEPSS score1.3 %2026-10-23
PoC-in-GitHubproof of concept2read 2026-10-23
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 4.0 vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published: 2024-12-18
Last Modified: 2026-06-17
NVD status: Deferred

Frequently asked questions

What is CVE-2024-21546?

Is CVE-2024-21546 actively exploited?

Active exploitation of CVE-2024-21546 has not been confirmed. Its EPSS score was 1.3% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2024-21546?

CVE-2024-21546 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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