Security readout for executives and security teams
Plain-English summary
CVE-2025-56571 is a reported denial-of-service issue in Finance.js v4.1.0. If an application exposes the IRR calculation to untrusted input, excessive recursion or iteration can consume CPU and stall or crash the service. The source bundle does not name a fixed version.
Executive priority
Treat this as a high-priority availability risk if Finance.js v4.1.0 supports customer-facing financial calculations. Prioritize inventory, input control, and vendor guidance review before assuming a patch path exists.
Technical view
The issue is described as CWE-834: excessive iteration in Finance.js v4.1.0 IRR handling through the depth parameter. CVSS 3.1 is 7.5, network exploitable, low complexity, no privileges, no user interaction, availability impact only.
Likely exposure
Exposure is most likely in Node.js or browser applications using Finance.js v4.1.0 where users can influence IRR inputs, especially the depth parameter or calculation workload. The CVE affected-product fields are incomplete, so inventory confirmation is required.
Exploitation context
The CVE is not listed as KEV in the source bundle. Public references include the project, source snapshot, CVE records, and a Medium write-up. No cited source in the bundle establishes active exploitation.
Researcher notes
The strongest evidence is CVE metadata and referenced project/source material. The affected-product fields are marked n/a, and the bundle does not identify a patched version. Avoid overclaiming exploit activity or exact remediation beyond input hardening and vendor follow-up.
Mitigation direction
- Inventory Finance.js usage and confirm whether v4.1.0 is present.
- Check vendor or project guidance for a fixed release or official workaround.
- Block untrusted control of IRR depth and validate calculation inputs.
- Apply service-level rate limits and timeouts around exposed calculation endpoints.
- Monitor CPU saturation, request latency, and crashes tied to IRR workflows.
Validation and detection
- Search manifests and lockfiles for Finance.js v4.1.0.
- Trace application routes or jobs that call the IRR function.
- Confirm whether external users can influence IRR depth or workload.
- Run only controlled nonproduction tests for CPU stalls with abnormal inputs.
- Review logs and APM for repeated expensive financial-calculation requests.
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.
CWE-834: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2025-56571 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
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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.
SSVC decision data
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:U/C:N/I:N/A:H3.93.6CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/ebradyjobory/finance.jsCVE reference, mitre
- https://raw.githack.com/ebradyjobory/finance.js/6d571ea2a86d08491ceb584e292e9b76b0a60636/finance.jsCVE reference, mitre
- https://medium.com/@nakah_/cve-2025-56571-and-cve-2025-56572-denial-of-service-vulnerabilities-in-finance-js-78f8b399f53bCVE reference, mitre
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.
Excessive Iteration
Excessive Iteration represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.