Bludit - Remote Code Execution (RCE) through File API

published 2024-06-24 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-21968

cvss: 8.1; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 53%
public exploits: 0; none known

A security vulnerability has been identified in Bludit, allowing attackers with knowledge of the API token to upload arbitrary files through the File API which leads to arbitrary code execution on the server. This vulnerability arises from improper handling of file uploads, enabling malicious actors to upload and execute PHP files.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: total
Assessed: 2 y ago (2024-06-24)

Exploit prediction

0.69% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

redguard.ch https://www.redguard.ch/blog/2024/06/20/security-advisory-bludit/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	8.9	CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CNA	4.0	8.9	CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/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
NVD	3.1	8.1	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Bludit Bludit

Classification

Weakness

CWE-77 Improper Neutralization of Special Elements used in a Command
CWE-502 Deserialization of Untrusted Data
CWE-434 Unrestricted Upload of File with Dangerous Type

References

redguard.ch /blog/2024/06/20/security-advisory-bludit/
exploit, third-party-advisory

Sources

CVE List CVE-2024-24550
NVD CVE-2024-24550

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary