Security readout for executives and security teams
Plain-English summary
This flaw affects TIBCO Managed File Transfer Platform Server for IBM i. If a specific configuration option, “Require Node Resp,” is set to “No,” an unauthenticated network attacker could theoretically transfer files to or from accessible host file systems. The impact is severe because successful abuse could compromise data confidentiality, integrity, and availability.
Executive priority
Prioritize this as urgent for any affected IBM i file transfer deployment. The worst-case impact includes unauthorized reading and writing of host-accessible files. If the product is absent, unaffected versioned, or safely configured, urgency drops after documented validation.
Technical view
CVE-2020-9411 is a network-exploitable authentication bypass in the file transfer component of TIBCO Managed File Transfer Platform Server for IBM i. Affected releases are versions 7.1.0 and below and 8.0.0. The vulnerable condition requires “Require Node Resp” to be set to “No.” CVSS is 10.0 with no privileges or user interaction required.
Likely exposure
Exposure is limited to organizations running the IBM i edition of TIBCO Managed File Transfer Platform Server, specifically versions 7.1.0 and below or 8.0.0, with “Require Node Resp” set to “No.” Internet or broad internal network reachability would materially increase urgency.
Exploitation context
The supplied sources describe theoretical unauthenticated network file transfer capability. The CVE is not listed as CISA KEV in the bundle, and no cited source here confirms active exploitation. Treat this as high-impact exposure requiring verification, not as proven in-the-wild exploitation.
Researcher notes
The key exposure condition is configuration-dependent. The bundle does not provide exploit details, proof of exploitation, CWE mapping, or a specific fixed version. Researchers should focus on asset discovery, version confirmation, configuration state, network reachability, and evidence of unauthorized file movement.
Mitigation direction
- Review TIBCO’s advisory for supported fixed releases and upgrade guidance.
- Check whether “Require Node Resp” is set to “No” on affected deployments.
- Change risky configuration only according to vendor guidance and operational testing.
- Restrict network access to trusted file transfer peers where feasible.
- Monitor for unexpected file transfers, writes, or access patterns.
Validation and detection
- Inventory all TIBCO Managed File Transfer Platform Server for IBM i deployments.
- Confirm installed versions against 7.1.0 and below, and 8.0.0.
- Review the “Require Node Resp” configuration value on each deployment.
- Identify whether the file transfer service is reachable from untrusted networks.
- Review relevant transfer and system logs for unexplained file activity.
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.
Credential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2020-9411 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
- Critical
- CVSS
- 10 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
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 vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H3.96Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
10CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.tibco.com/services/support/advisoriesCVE reference · x_refsource_CONFIRM
- https://www.tibco.com/support/advisories/2020/06/tibco-security-advisory-june-9-2020-tibco-managed-file-transfer-2020-9411CVE reference · x_refsource_CONFIRM
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.