Tcpdf
CVE-2024-22641
HIGH
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V5 - File Handling File type validation, storage isolation
MITRE ATT&CK
2 techniques across 2 tactics: Command and Control, Persistence The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available. |
| Exploit ScenarioDerived | A remote attacker could upload malicious files that can be executed on the server by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAI
TCPDF version 6.6.5 and before is vulnerable to ReDoS (Regular Expression Denial of Service) if parsing an untrusted SVG file. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate file types server-side, store uploads outside webroot, use random filenames, scan for malware.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Unrestricted File Upload (CWE-434), which allows attackers to upload malicious files that can be executed on the server. TCPDF version 6.6.5 and before is vulnerable to ReDoS (Regular Expression Denial of Service) if parsing an untrusted SVG file. Affected products include: Tcpdf Project Tcpdf. Version information: version 6.6.5.
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Primary rating from Vendor (mitre) · only source for this CVE.
CVSS VectorVendor: mitre
DescriptionCVE.org
TCPDF version 6.6.5 and before is vulnerable to ReDoS (Regular Expression Denial of Service) if parsing an untrusted SVG file.
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Malicious file upload attacks exploit insufficient validation when web applications accept user-provided files.
Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.
Affected Products (CPE)CVE.org
An issue was discovered in TCPDF before 6.2.22. Rated critical severity (CVSS 9.8), this vulnerability is remotely explo
An issue was discovered in TCPDF before 6.8.0. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitabl
TCPDF version <=6.6.5 is vulnerable to ReDoS (Regular Expression Denial of Service) if parsing an untrusted HTML page wi
An issue was discovered in TCPDF before 6.8.0. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploi
tcpdf before 6.2.0 uploads files from the server generating PDF-files to an external FTP. Rated high severity (CVSS 7.5)
An issue was discovered in TCPDF before 6.8.0. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitabl
An issue was discovered in TCPDF before 6.8.0. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitabl
Local File Inclusion (LFI) vulnerability has been discovered in TCPDF 6.7.5. Rated medium severity (CVSS 6.2), this vuln
TCPDF before 6.7.4 mishandles calls that use HTML syntax. Rated medium severity (CVSS 6.1), this vulnerability is remote
Exploit-DB