CVE-2025-24959

LOWNVD 1.01.0—
EchelonGraph scoreMEDIUM confidence

This low-severity CVE scores 1.0 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 92% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
1.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 1.0Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

zx is a tool for writing better scripts. An attacker with control over environment variable values can inject unintended environment variables into process.env. This can lead to arbitrary command execution or unexpected behavior in applications that rely on environment variables for security-sensitive operations. Applications that process untrusted input and pass it through dotenv.stringify are particularly vulnerable. This issue has been patched in version 8.3.2. Users should immediately upgrade to this version to mitigate the vulnerability. If upgrading is not feasible, users can mitigate the vulnerability by sanitizing user-controlled environment variable values before passing them to dotenv.stringify. Specifically, avoid using ", ', and backticks in values, or enforce strict validation of environment variables before usage.

CVSS v3
1.0
EG Score
1.0(medium)
EG Risk
5(Track)
EG Risk 5/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity10% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
7.5%
KEV
Not listed

Published

February 3, 2025

Last Modified

April 15, 2026

References (2)

Affected Packages

(1 across 1 ecosystem)
npm(1)
PackageVulnerable rangeFixed inDependents
zx8.3.18.3.2—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 11× in last 7d / 48× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 124 total refreshes for this CVE.

  1. 2026-07-23 02:51 UTCEG score recompute
  2. 2026-07-22 14:07 UTCEPSS rescore
  3. 2026-07-22 14:07 UTCEPSS rescore
  4. 2026-07-21 15:24 UTCEPSS rescore
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  14. 2026-07-15 01:59 UTCEPSS rescore
  15. 2026-07-14 08:40 UTCOSV refresh
  16. 2026-07-13 22:29 UTCEPSS rescore
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  1. 2026-07-07 13:45 UTCEPSS rescore
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  17. 2026-06-26 09:23 UTCOSV refresh
  18. 2026-06-25 13:49 UTCEPSS rescore
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  28. 2026-06-21 01:59 UTCEPSS rescore
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  30. 2026-06-19 19:25 UTCEPSS rescore
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  40. 2026-06-12 23:11 UTCEPSS rescore
  41. 2026-06-11 13:59 UTCEPSS rescore
  42. 2026-06-10 22:18 UTCEPSS rescore
  43. 2026-06-10 13:22 UTCEPSS rescore
  44. 2026-06-08 16:31 UTCEG score recompute▲ 1.00
  45. 2026-06-08 14:16 UTCEPSS rescore
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  47. 2026-06-07 15:24 UTCEPSS rescore
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  53. 2026-06-05 06:10 UTCEPSS rescore
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  55. 2026-06-03 20:39 UTCOSV refresh
  56. 2026-06-02 20:12 UTCEPSS rescore
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  58. 2026-06-01 13:51 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2025-24959?
CVE-2025-24959 is a low vulnerability published on February 3, 2025. zx is a tool for writing better scripts. An attacker with control over environment variable values can inject unintended environment variables into process.env. This can lead to arbitrary command execution or unexpected behavior in applications that rely on environment variables for…
When was CVE-2025-24959 disclosed?
CVE-2025-24959 was first published in the National Vulnerability Database on February 3, 2025, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-24959 actively exploited?
CVE-2025-24959 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 7.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2025-24959?
CVE-2025-24959 has a CVSS v3 base score of 1.0 (NVD).
How do I remediate CVE-2025-24959?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-24959, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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