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Vulnerabilities

Vulnerability · CVE-2021-47978

ProcessMaker 3.5.4 contains a local file inclusion vulnerability that allows unauthenticated attackers to read arbitrary files by exploiting improper path traversal validation.

Published May 16, 2026 · catalog updated Jun 17, 2026 · ProcessMaker 3.5.4 contains a

Check if you run it

No confirmed exploitation is on record for CVE-2021-47978. EPSS is 0.78%. Act only if a listed version of ProcessMaker 3.5.4 contains a is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (ProcessMaker 3.5.4 contains a).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.9
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.78%
Remediation
Not established
Affected products
See sources for product scope

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.

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2021-47978

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2021-47978. EPSS is 0.78%. Act only if a listed version of ProcessMaker 3.5.4 contains a is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-98: PHP Remote File Inclusion. EPSS 0.78%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 16, 2026 · NIST NVD

    Detected

    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.

  2. Jun 17, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2021-47978

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2021-47978

    30-day exploitation probability 0.8%

    first.org
  • NIST NVDVulnerability recordCVE-2021-47978

    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 /e

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 16, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.