Tcpdf
CVE-2017-6100
HIGH
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Resource sphere isolation
MITRE ATT&CK
1 technique across 1 tactic: Collection 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. EPSS exploitation probability: 0.31%. |
| Exploit ScenarioDerived | A remote attacker could access resources from an unintended security context by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAI
tcpdf before 6.2.0 uploads files from the server generating PDF-files to an external FTP. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Exposure of Resource to Wrong Sphere vulnerability could allow attackers to access resources from an unintended security context.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Implement proper access controls, validate resource access permissions, use security boundaries.
Affects your stack
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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 Exposure of Resource to Wrong Sphere (CWE-668), which allows attackers to access resources from an unintended security context. tcpdf before 6.2.0 uploads files from the server generating PDF-files to an external FTP. Affected products include: Tcpdf Project Tcpdf. Version information: before 6.2.0.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionCVE.org
tcpdf before 6.2.0 uploads files from the server generating PDF-files to an external FTP.
Threat Intelligence Overview
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
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.
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 and before is vulnerable to ReDoS (Regular Expression Denial of Service) if parsing an untrusted SVG
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
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
NVD
CVE.org
EPSS
GitHub PoC
Exploit-DB