CVE-2020-15874

HIGHPre-NVD 8.88.8—
EchelonGraph scoreHIGH confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-08-26. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this weekElevated
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 8.8Exploit: Elevated riskExposed: 0

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

An issue was discovered in LibreNMS 1.65. A remote authenticated attacker with normal privileges can execute arbitrary shell commands through a command injection in the /graph.php API endpoint.

CVSS v3
8.8
EG Score
8.8(high)
EG Risk
56(Track*)
EG Risk 56/100SSVC: 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
Severity88% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
1%
EPSS %ILE
65%
KEV
Not listed

Published

August 26, 2026

Last Modified

September 3, 2026

Advisory Details (5)

Auto-updated Sep 1, 2026
🔬 Proof of concept available. Patch available. Sources: github_release.
generic🟡 PoC Available

Shielder - LibreNMS /graph.php Authenticated Command Injection

https://www.shielder.com/advisories/librenms-graph-authenticated-command-injection/
generic

Shielder - Blog

https://shielder.it/blog
github_release Patch Available

1.65.1 Security Fixes

Patch available: librenms/librenms 1.65.1

https://github.com/librenms/librenms/releases/tag/1.65.1
generic

Comparing 1.65...1.65.1 · librenms/librenms · GitHub

https://github.com/librenms/librenms/compare/1.65...1.65.1
generic

Latest Announcements topics - LibreNMS Community

https://community.librenms.org/c/announcements

Vendor Advisories for CVE-2020-15874(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 27× in last 7d / 85× 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.

  1. 2026-09-19 14:33 UTCGHSA enrichment
  2. 2026-09-19 02:30 UTCEG score recompute
  3. 2026-09-19 02:30 UTCGHSA enrichment
  4. 2026-09-18 19:23 UTCEPSS rescore
  5. 2026-09-18 14:26 UTCGHSA enrichment
  6. 2026-09-18 02:23 UTCEG score recompute
  7. 2026-09-18 02:23 UTCGHSA enrichment
  8. 2026-09-17 19:22 UTCEPSS rescore
  9. 2026-09-17 19:22 UTCEPSS rescore
  10. 2026-09-17 14:21 UTCGHSA enrichment
  11. 2026-09-17 02:13 UTCGHSA enrichment
  12. 2026-09-16 14:11 UTCEG score recompute
  13. 2026-09-16 14:11 UTCGHSA enrichment
  14. 2026-09-16 14:04 UTCEPSS rescore
  15. 2026-09-16 01:27 UTCGHSA enrichment
  16. 2026-09-15 13:25 UTCEG score recompute
  17. 2026-09-15 13:25 UTCGHSA enrichment
  18. 2026-09-15 03:06 UTCEPSS rescore
  19. 2026-09-15 03:06 UTCEPSS rescore
  20. 2026-09-15 01:23 UTCGHSA enrichment
  21. 2026-09-14 13:21 UTCGHSA enrichment
  22. 2026-09-14 01:18 UTCEG score recompute
  23. 2026-09-14 01:18 UTCGHSA enrichment
  24. 2026-09-13 16:42 UTCEPSS rescore
  25. 2026-09-13 13:16 UTCGHSA enrichment
Show 60 more
  1. 2026-09-13 01:14 UTCEG score recompute
  2. 2026-09-13 01:14 UTCGHSA enrichment
  3. 2026-09-12 14:56 UTCEPSS rescore
  4. 2026-09-12 13:12 UTCGHSA enrichment
  5. 2026-09-12 01:10 UTCEG score recompute
  6. 2026-09-12 01:10 UTCGHSA enrichment
  7. 2026-09-11 14:48 UTCEPSS rescore
  8. 2026-09-11 13:07 UTCEG score recompute
  9. 2026-09-11 13:07 UTCGHSA enrichment
  10. 2026-09-11 09:32 UTCEPSS rescore
  11. 2026-09-11 01:04 UTCGHSA enrichment
  12. 2026-09-10 13:02 UTCEG score recompute
  13. 2026-09-10 13:01 UTCGHSA enrichment
  14. 2026-09-10 09:29 UTCEPSS rescore
  15. 2026-09-10 00:59 UTCGHSA enrichment
  16. 2026-09-09 12:56 UTCGHSA enrichment
  17. 2026-09-09 00:54 UTCEG score recompute
  18. 2026-09-09 00:54 UTCGHSA enrichment
  19. 2026-09-08 21:56 UTCEPSS rescore
  20. 2026-09-08 06:42 UTCGHSA enrichment
  21. 2026-09-07 18:39 UTCEG score recompute
  22. 2026-09-07 18:39 UTCGHSA enrichment
  23. 2026-09-07 15:57 UTCEPSS rescore
  24. 2026-09-07 06:37 UTCGHSA enrichment
  25. 2026-09-06 18:35 UTCEG score recompute
  26. 2026-09-06 18:35 UTCGHSA enrichment
  27. 2026-09-06 13:44 UTCEPSS rescore
  28. 2026-09-06 06:32 UTCGHSA enrichment
  29. 2026-09-05 18:30 UTCEG score recompute
  30. 2026-09-05 18:30 UTCGHSA enrichment
  31. 2026-09-05 15:24 UTCEPSS rescore
  32. 2026-09-05 06:27 UTCGHSA enrichment
  33. 2026-09-04 18:24 UTCEG score recompute
  34. 2026-09-04 18:23 UTCGHSA enrichment
  35. 2026-09-04 13:57 UTCEPSS rescore
  36. 2026-09-04 06:09 UTCEG score recompute
  37. 2026-09-04 06:09 UTCGHSA enrichment
  38. 2026-09-04 05:03 UTCEPSS rescore
  39. 2026-09-03 18:05 UTCGHSA enrichment
  40. 2026-09-03 08:38 UTCGHSA enrichment
  41. 2026-09-02 20:36 UTCEG score recompute
  42. 2026-09-02 20:36 UTCGHSA enrichment
  43. 2026-09-02 14:08 UTCEPSS rescore
  44. 2026-09-02 07:37 UTCEG score recompute
  45. 2026-09-02 07:37 UTCGHSA enrichment
  46. 2026-09-01 19:35 UTCEG score recompute
  47. 2026-09-01 19:35 UTCGHSA enrichment
  48. 2026-09-01 18:49 UTCEG score recompute▲ 8.80
  49. 2026-09-01 18:49 UTCGHSA enrichment
  50. 2026-09-01 18:47 UTCMITRE cvelistV5CVSS v3 → 8.8 · severity → HIGH
  51. 2026-09-01 17:07 UTCGHSA enrichment
  52. 2026-09-01 03:32 UTCEPSS rescore
  53. 2026-08-30 19:14 UTCEPSS rescore
  54. 2026-08-30 01:18 UTCEPSS rescore
  55. 2026-08-29 17:25 UTCEG score recompute
  56. 2026-08-29 17:25 UTCGHSA enrichment
  57. 2026-08-27 14:21 UTCEPSS rescore
  58. 2026-08-26 17:18 UTCNVD update
  59. 2026-08-26 17:02 UTCEG score recompute
  60. 2026-08-26 17:01 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2020-15874?
CVE-2020-15874 is a high vulnerability published on August 26, 2026. An issue was discovered in LibreNMS 1.65. A remote authenticated attacker with normal privileges can execute arbitrary shell commands through a command injection in the /graph.php API endpoint.
When was CVE-2020-15874 disclosed?
CVE-2020-15874 was first published in the National Vulnerability Database on August 26, 2026, with the most recent update on September 3, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2020-15874 actively exploited?
CVE-2020-15874 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 35.2% of all scored CVEs.
What is the CVSS score of CVE-2020-15874?
CVE-2020-15874 has a CVSS v3.1 base score of 8.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2020-15874?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-15874, 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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