Cyber Resilience

CVE-2021-34647

MediumPublic PoC

Published: 22 September 2021

Published
22 September 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.0072 72.9th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-34647 is a medium-severity Incorrect Authorization (CWE-863) vulnerability in Ninjaforms Ninja Forms. Its CVSS base score is 6.5 (Medium).

Operationally, ranked in the top 27.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

The Ninja Forms WordPress plugin is vulnerable to sensitive information disclosure via the bulk_export_submissions function found in the ~/includes/Routes/Submissions.php file, in versions up to and including 3.5.7. This allows authenticated attackers to export all Ninja Forms submissions data via the…

more

/ninja-forms-submissions/export REST API which can include personally identifiable information.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

ninjaforms
ninja forms
≤ 3.5.7

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-862 CWE-863

Requiring an access control policy ensures authorization checks are defined and applied for critical functions.

addresses: CWE-862 CWE-863

Reviews of access controls detect missing authorization checks on critical functions or resources.

addresses: CWE-862 CWE-863

Requiring attribute association with information prevents authorization from being performed without necessary security or privacy context.

addresses: CWE-862 CWE-863

Mandating authorization prior to allowing remote connections addresses missing authorization for remote access.

addresses: CWE-862 CWE-863

Mandating authorization before wireless connections are allowed prevents missing authorization for wireless access.

addresses: CWE-862 CWE-863

The control requires authorization before allowing mobile device connections, directly mitigating missing authorization for system access.

addresses: CWE-862 CWE-863

Requiring approvals for account creation and specifying authorizations ensures authorization is not missing for system access.

addresses: CWE-862 CWE-863

Mandates authorization checks before permitting access or data processing via external systems.

References