CVE-2024-39915

CRITICALNVD 9.99.9—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.9 under NVD CVSS v3. EPSS exploit probability: 0.6%, top 57% 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
Elevated
9.9EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.9Exploit: Elevated riskExposed: 0

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

Thruk is a multibackend monitoring webinterface for Naemon, Nagios, Icinga and Shinken using the Livestatus API. This authenticated RCE in Thruk allows authorized users with network access to inject arbitrary commands via the URL parameter during PDF report generation. The Thruk web application does not properly process the url parameter when generating a PDF report. An authorized attacker with access to the reporting functionality could inject arbitrary commands that would be executed when the script /script/html2pdf.sh is called. The vulnerability can be exploited by an authorized user with network access. This issue has been addressed in version 3.16. Users are advised to upgrade. There are no known workarounds for this vulnerability.

CVSS v3
9.9
EG Score
9.9(medium)
EG Risk
61(Track*)
EG Risk 61/100SSVC: 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
Severity99% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
1%
EPSS %ILE
43%
KEV
Not listed

Published

July 15, 2024

Last Modified

April 15, 2026

Advisory Details (2)

Auto-updated Aug 3, 2026
🔬 Proof of concept available. Patch available. Sources: github_commit, github.
github Patch Available🟡 PoC Available

K-Thruk-2023-001 Authenticated RCE in Thruk 3.13 · Advisory · sni/thruk · GitHub

https://github.com/sni/Thruk/security/advisories/GHSA-r7gx-h738-4w6f
github_commit

commit 7e7eb251e767 (sni/Thruk)

Fix landed in sni/Thruk commit 7e7eb251e767 — awaiting tagged release

https://github.com/sni/Thruk/commit/7e7eb251e76718a07639c4781f0d959d817f173b

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 9× in last 7d / 44× 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 141 total refreshes for this CVE.

  1. 2026-08-08 16:35 UTCEPSS rescore
  2. 2026-08-07 16:25 UTCEPSS rescore
  3. 2026-08-06 13:45 UTCEPSS rescore
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  19. 2026-07-25 14:11 UTCOSV refresh
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  23. 2026-07-23 02:38 UTCEG score recompute
  24. 2026-07-22 14:07 UTCEPSS rescore
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  1. 2026-07-21 15:23 UTCEPSS rescore
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  20. 2026-07-08 15:14 UTCEPSS rescore
  21. 2026-07-08 15:13 UTCEPSS rescore
  22. 2026-07-08 09:05 UTCOSV refresh
  23. 2026-07-07 13:45 UTCEPSS rescore
  24. 2026-07-06 16:26 UTCEPSS rescore
  25. 2026-07-06 02:22 UTCEPSS rescore
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  27. 2026-07-05 02:29 UTCEPSS rescore
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  44. 2026-06-22 14:25 UTCEPSS rescore
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  46. 2026-06-21 14:55 UTCEPSS rescore
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  48. 2026-06-21 01:58 UTCEPSS rescore
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  50. 2026-06-19 20:52 UTCOSV refresh
  51. 2026-06-19 19:25 UTCEPSS rescore
  52. 2026-06-19 19:25 UTCEPSS rescore
  53. 2026-06-18 17:52 UTCEPSS rescore
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  65. 2026-06-10 13:21 UTCEPSS rescore
  66. 2026-06-08 14:16 UTCEPSS rescore
  67. 2026-06-07 15:24 UTCEPSS rescore
  68. 2026-06-07 15:24 UTCEPSS rescore
  69. 2026-06-06 13:46 UTCEPSS rescore
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  71. 2026-06-05 22:46 UTCEPSS rescore
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  73. 2026-06-05 06:09 UTCEPSS rescore
  74. 2026-06-05 06:09 UTCEPSS rescore
  75. 2026-06-04 13:11 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2024-39915?
CVE-2024-39915 is a critical vulnerability published on July 15, 2024. Thruk is a multibackend monitoring webinterface for Naemon, Nagios, Icinga and Shinken using the Livestatus API. This authenticated RCE in Thruk allows authorized users with network access to inject arbitrary commands via the URL parameter during PDF report generation. The Thruk web application…
When was CVE-2024-39915 disclosed?
CVE-2024-39915 was first published in the National Vulnerability Database on July 15, 2024, 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-2024-39915 actively exploited?
CVE-2024-39915 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 56.9% of all scored CVEs.
What is the CVSS score of CVE-2024-39915?
CVE-2024-39915 has a CVSS v3 base score of 9.9 (NVD).
How do I remediate CVE-2024-39915?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-39915, 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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