CVE-2025-13566

LOWNVD 3.33.3—
EchelonGraph scoreMEDIUM confidence

Score 3.3 from GitHub Security Advisory published 2025-11-23. NVD baseline CVSS 3.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
3.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 3.3Exploit: None knownExposed: 0

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

A security vulnerability has been detected in jarun nnn up to 5.1. The impacted element is the function show_content_in_floating_window/run_cmd_as_plugin of the file nnn/src/nnn.c. The manipulation leads to double free. An attack has to be approached locally. The identifier of the patch is 2f07ccdf21e705377862e5f9dfa31e1694979ac7. It is suggested to install a patch to address this issue.

CVSS v3
3.3
EG Score
3.3(medium)
EG Risk
15(Track)
EG Risk 15/100SSVC: 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
Severity33% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
3%
KEV
Not listed

Published

November 23, 2025

Last Modified

April 15, 2026

References (6)

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 4× in last 7d / 26× 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 173 total refreshes for this CVE.

  1. 2026-09-18 19:27 UTCEPSS rescore
  2. 2026-09-16 14:06 UTCEPSS rescore
  3. 2026-09-15 03:08 UTCEPSS rescore
  4. 2026-09-13 16:45 UTCEPSS rescore
  5. 2026-09-12 14:59 UTCEPSS rescore
  6. 2026-09-12 10:10 UTCOSV refresh
  7. 2026-09-11 14:51 UTCEPSS rescore
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  23. 2026-08-24 15:03 UTCOSV refresh
  24. 2026-08-24 14:15 UTCEPSS rescore
  25. 2026-08-23 00:18 UTCEPSS rescore
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  1. 2026-08-21 23:48 UTCEPSS rescore
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  11. 2026-08-12 13:49 UTCEPSS rescore
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  13. 2026-08-10 23:59 UTCEPSS rescore
  14. 2026-08-09 13:45 UTCEPSS rescore
  15. 2026-08-08 09:38 UTCEG score recompute
  16. 2026-08-08 09:38 UTCGHSA enrichment
  17. 2026-08-07 16:26 UTCEPSS rescore
  18. 2026-08-06 13:45 UTCEPSS rescore
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  25. 2026-07-30 16:26 UTCEPSS rescore
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  27. 2026-07-28 15:35 UTCEPSS rescore
  28. 2026-07-27 14:12 UTCEPSS rescore
  29. 2026-07-27 06:39 UTCOSV refresh
  30. 2026-07-26 14:53 UTCEPSS rescore
  31. 2026-07-25 14:17 UTCEPSS rescore
  32. 2026-07-24 14:16 UTCEPSS rescore
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  34. 2026-07-23 02:48 UTCEG score recompute
  35. 2026-07-22 14:07 UTCEPSS rescore
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  37. 2026-07-21 15:24 UTCEPSS rescore
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  42. 2026-07-18 10:03 UTCEPSS rescore
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  45. 2026-07-15 16:57 UTCEPSS rescore
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  47. 2026-07-13 22:29 UTCEPSS rescore
  48. 2026-07-13 22:29 UTCEPSS rescore
  49. 2026-07-13 06:12 UTCEPSS rescore
  50. 2026-07-12 05:46 UTCEPSS rescore
  51. 2026-07-12 05:45 UTCEPSS rescore
  52. 2026-07-10 01:17 UTCOSV refresh
  53. 2026-07-09 19:09 UTCEPSS rescore
  54. 2026-07-08 15:14 UTCEPSS rescore
  55. 2026-07-07 13:45 UTCEPSS rescore
  56. 2026-07-06 16:26 UTCEPSS rescore
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  63. 2026-06-29 14:06 UTCEPSS rescore
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  66. 2026-06-28 04:55 UTCEPSS rescore
  67. 2026-06-27 03:08 UTCEPSS rescore
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  69. 2026-06-25 13:49 UTCEPSS rescore
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  71. 2026-06-24 14:04 UTCEPSS rescore
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  73. 2026-06-22 14:25 UTCEPSS rescore
  74. 2026-06-22 14:25 UTCEPSS rescore
  75. 2026-06-21 14:56 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2025-13566?
CVE-2025-13566 is a low vulnerability published on November 23, 2025. A security vulnerability has been detected in jarun nnn up to 5.1. The impacted element is the function showcontentinfloatingwindow/runcmdas_plugin of the file nnn/src/nnn.c. The manipulation leads to double free. An attack has to be approached locally. The identifier of the patch is…
When was CVE-2025-13566 disclosed?
CVE-2025-13566 was first published in the National Vulnerability Database on November 23, 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-2025-13566 actively exploited?
CVE-2025-13566 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 96.8% of all scored CVEs.
What is the CVSS score of CVE-2025-13566?
CVE-2025-13566 has a CVSS v3 base score of 3.3 (NVD).
How do I remediate CVE-2025-13566?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-13566, 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.

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