CVE-2021-47978
📛 CVE Title
(no title)
Description
ProcessMaker 3.5.4 contains a local file inclusion vulnerability that allows unauthenticated attackers to read arbitrary files by exploiting improper path traversal validation. Attackers can send requests with directory traversal sequences to access sensitive system files like /etc/passwd without authentication.
Overview
- State
- —
- Assigner (CNA)
- —
- CVSS severity
- medium
- CVSS score
- 6.2 / 10
- CVSS vector
AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N- Effective score
- 6.2 / 10 MEDIUM source: CNA overview
- CWE(s)
- —
- Reserved
- —
- Published
- —
- Last updated
- —
- Source
- https://www.tenable.com/cve/CVE-2021-47978
NVD triage scoring NVD CVE 2.0
Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.
- EPSS score
- 0.0004 (probability of exploitation in next 30 days)
- EPSS percentile
- 12.37% vs all CVEs — higher = more likely to be exploited, as of 2026-05-24
NVD / KEV / EPSS data refreshed 2026-05-25 00:07 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.
European Union Vulnerability Database ENISA EUVD
ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.
- EUVD ID
-
EUVD-2021-34839 - Assigner
- VulnCheck
- Published
- May 16, 2026, 3:28:14 PM
- Updated
- May 18, 2026, 5:53:17 PM
- EUVD base score (CVSS 4.0)
-
6.9 / 10
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N - EUVD-reported EPSS
- 0.7800
- Vendors
- ProcessMaker
- Products
-
ProcessMaker (0 ≤3.5.4)
- Aliases
-
GHSA-c522-p4cv-rfpf
ENISA description: ProcessMaker 3.5.4 contains a local file inclusion vulnerability that allows unauthenticated attackers to read arbitrary files by exploiting improper path traversal validation. Attackers can send requests with directory traversal sequences to access sensitive system files like /etc/passwd without authentication.
Vendor references (0)
References embedded in the original CVE record by the assigning CNA.
None in the CVE record.
Web references (6)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
- https://nvd.nist.gov/vuln/detail/CVE-2021-47978 tenable:nvd.nist.gov
- https://www.cve.org/CVERecord?id=CVE-2021-47978 tenable:www.cve.org
- https://www.exploit-db.com/exploits/50229 tenable:www.exploit-db.com
- https://www.first.org/epss/ tenable:www.first.org
- https://www.processmaker.com/ tenable:www.processmaker.com
- https://www.vulncheck.com/advisories/processmaker-local-file-inclusion-via-path-traversal tenable:www.vulncheck.com
Remediations (10)
-
web:arstechnica.com
Google publishes exploit code threatening millions of Chromium users Google publishes exploit code before patch , reported 42 months earlier, is fixed.
2026-05-26 03:07 UTC -
web:cybersecop.com
In risk management, cybersecurity, and compliance, the terms "mitigate" and "remediate" often surface. Though sometimes used interchangeably, they denote distinct approaches to addressing issues. Understanding the differences between mitigation and remediation is crucial for implementing effective strategies. This blog post will clarify these terms and explore their roles in risk management ...
2026-05-26 03:07 UTC -
web:msrc.microsoft.com
The Microsoft Security Response Center (MSRC) investigates all reports of security vulnerabilities affecting Microsoft products and services, and provides the information here as part of the ongoing effort to help you manage security risks and help keep your systems protected.
2026-05-26 03:07 UTC -
web:nvd.nist.gov
The NVD is the U.S. government repository of standards based vulnerability management data represented using the Security Content Automation Protocol (SCAP). This data enables automation of vulnerability management, security measurement, and compliance. The NVD includes databases of security checklist references, security-related software flaws, product names, and impact metrics. For ...
2026-05-26 03:07 UTC -
web:securityboulevard.com
Cybersecurity vulnerabilities pose significant risks to organizations in today's digital landscape. Left unaddressed, these vulnerabilities can lead to data breaches, financial losses, and reputational damage. Organizations must decide how to tackle vulnerabilities—through remediation , mitigation , or a combination of both. But which strategy is more effective? This blog explores the ...
2026-05-26 03:07 UTC -
web:securityvulnerability.io
Explore the local file inclusion vulnerability in ProcessMaker that allows unauthorized access to sensitive files. Learn more about CVE-2021-47978 .
2026-05-26 03:07 UTC -
web:www.cve.org
At cve .org, we provide the authoritative reference method for publicly known information-security vulnerabilities and exposures
2026-05-26 03:07 UTC -
web:www.emagined.com
Discover the difference between mitigation and remediation in vulnerability management. Learn best practices for Pentest remediation and effective cyber protection.
2026-05-26 03:07 UTC -
web:www.oracle.com
Critical Security Patch Updates Critical Security Patch Updates provide security patches for supported Oracle on-premises products. A Critical Security Patch Update provides targeted, high-priority security fixes in a smaller, more focused format, making them easier to apply with minimal disruption.
2026-05-26 03:07 UTC -
web:www.virustotal.com
VirusTotal is a platform for scanning files and URLs for viruses, malware, and other threats using multiple antivirus engines.
2026-05-26 03:07 UTC
AI Forensic Analysis
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