Security readout for executives and security teams
Plain-English summary
AppNitro Machform before version 16 lacks CSRF protections in places, allowing a victim’s browser to submit unintended actions while they are authenticated. The public bundle does not state which actions are affected or provide a CVSS score, so business impact depends on how Machform is deployed and used.
Executive priority
Treat this as a targeted hygiene and upgrade item rather than a confirmed emergency. Prioritize exposed or business-critical Machform deployments because missing CSRF protections can allow unwanted changes through authenticated users.
Technical view
CVE-2021-20102 is a cross-site request forgery issue in AppNitro Machform prior to version 16 caused by missing CSRF tokens. The source bundle provides no CVSS vector, CWE, endpoint detail, or action-level impact. It is not listed as CISA KEV in the provided data.
Likely exposure
Organizations running AppNitro Machform versions earlier than 16 are potentially exposed, especially where authenticated users manage forms, submissions, or administrative settings. Exposure cannot be narrowed further from the supplied sources.
Exploitation context
The provided sources do not report active exploitation, public exploit availability, or KEV inclusion. CSRF generally requires an authenticated user to be induced into a browser-based action, but the exact affected workflows are not described.
Researcher notes
Evidence is limited to the CVE description and linked advisory/release reference. Do not infer affected endpoints, privilege requirements, or exploit maturity beyond the source bundle. Validation should focus on version confirmation and presence of CSRF protections.
Mitigation direction
- Upgrade AppNitro Machform to version 16 or later.
- Review AppNitro release notes and vendor guidance for specific remediation details.
- Identify all public and internal Machform deployments.
- Limit access to Machform administration until upgrades are complete.
- Monitor for unexpected form, user, or configuration changes.
Validation and detection
- Inventory Machform versions across production and non-production environments.
- Confirm no deployment is running a version earlier than 16.
- Review authenticated workflows for CSRF token protections in staging.
- Check application logs for unexpected administrative or form-management changes.
- Document upgrade status and remaining exceptions.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2021-20102 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://www.tenable.com/security/research/tra-2021-25%2Chttps://www.machform.com/blog-machform-16-released/CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.