CVE-2026-20200

HIGHPre-NVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-08-05. the CNA's CVSS baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:cisco, epss, ghsa
Trending — 3 sources updated this week
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 6%CVSS: 8.8Exploit: None knownExposed: 0

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

A vulnerability in the web-based management interface of Cisco IMC could allow an authenticated, remote attacker with low privileges to execute arbitrary commands on the underlying operating system of an affected system and elevate privileges to root.  This vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by entering crafted inputs to the web-based management interface of the affected software. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system as the root user. 

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
42(Track)
EG Risk 42/100SSVC: 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%
Exploitation6% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
6%
EPSS %ILE
93%
KEV
Not listed

Published

August 5, 2026

Last Modified

September 16, 2026

Advisory Details (1)

Auto-updated Aug 5, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Cisco Integrated Management Controller Argument Injection Vulnerabilities

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cimc-arg-inject-upSHdMfU

Vendor Advisories for CVE-2026-20200(2)

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 24× in last 7d / 101× 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 167 total refreshes for this CVE.

  1. 2026-09-19 07:40 UTCEG score recompute
  2. 2026-09-19 07:40 UTCGHSA enrichment
  3. 2026-09-18 19:27 UTCEPSS rescore
  4. 2026-09-18 17:41 UTCGHSA enrichment
  5. 2026-09-18 03:40 UTCEG score recompute
  6. 2026-09-18 03:40 UTCGHSA enrichment
  7. 2026-09-17 15:53 UTCGHSA enrichment
  8. 2026-09-17 01:06 UTCEG score recompute
  9. 2026-09-17 01:06 UTCGHSA enrichment
  10. 2026-09-16 14:07 UTCEPSS rescore
  11. 2026-09-16 05:15 UTCEPSS rescore
  12. 2026-09-16 04:22 UTCEG score recompute
  13. 2026-09-16 04:22 UTCGHSA enrichment
  14. 2026-09-15 16:19 UTCEG score recompute
  15. 2026-09-15 16:19 UTCGHSA enrichment
  16. 2026-09-15 01:26 UTCGHSA enrichment
  17. 2026-09-14 05:35 UTCGHSA enrichment
  18. 2026-09-13 17:46 UTCEG score recompute
  19. 2026-09-13 17:46 UTCGHSA enrichment
  20. 2026-09-13 16:46 UTCEPSS rescore
  21. 2026-09-13 05:59 UTCGHSA enrichment
  22. 2026-09-12 18:12 UTCEG score recompute
  23. 2026-09-12 18:12 UTCGHSA enrichment
  24. 2026-09-12 15:00 UTCEPSS rescore
  25. 2026-09-12 06:20 UTCGHSA enrichment
Show 75 more
  1. 2026-09-11 18:27 UTCEG score recompute
  2. 2026-09-11 18:27 UTCGHSA enrichment
  3. 2026-09-11 14:52 UTCEPSS rescore
  4. 2026-09-11 09:36 UTCEPSS rescore
  5. 2026-09-11 06:35 UTCGHSA enrichment
  6. 2026-09-10 18:48 UTCEG score recompute
  7. 2026-09-10 18:47 UTCGHSA enrichment
  8. 2026-09-10 09:34 UTCEPSS rescore
  9. 2026-09-10 07:00 UTCGHSA enrichment
  10. 2026-09-09 19:13 UTCGHSA enrichment
  11. 2026-09-09 06:21 UTCEG score recompute
  12. 2026-09-09 06:21 UTCGHSA enrichment
  13. 2026-09-08 22:00 UTCEPSS rescore
  14. 2026-09-08 07:59 UTCGHSA enrichment
  15. 2026-09-07 18:16 UTCEG score recompute
  16. 2026-09-07 18:16 UTCGHSA enrichment
  17. 2026-09-07 16:01 UTCEPSS rescore
  18. 2026-09-06 18:13 UTCEG score recompute
  19. 2026-09-06 18:13 UTCGHSA enrichment
  20. 2026-09-06 13:47 UTCEPSS rescore
  21. 2026-09-06 06:24 UTCGHSA enrichment
  22. 2026-09-05 18:26 UTCEG score recompute
  23. 2026-09-05 18:25 UTCGHSA enrichment
  24. 2026-09-05 03:46 UTCEG score recompute
  25. 2026-09-05 03:46 UTCGHSA enrichment
  26. 2026-09-04 09:30 UTCEG score recompute
  27. 2026-09-04 09:30 UTCGHSA enrichment
  28. 2026-09-04 05:06 UTCEPSS rescore
  29. 2026-09-03 19:15 UTCGHSA enrichment
  30. 2026-09-03 06:47 UTCEG score recompute
  31. 2026-09-03 06:47 UTCGHSA enrichment
  32. 2026-09-02 14:11 UTCEPSS rescore
  33. 2026-09-02 08:19 UTCGHSA enrichment
  34. 2026-09-01 20:31 UTCEG score recompute
  35. 2026-09-01 20:31 UTCGHSA enrichment
  36. 2026-09-01 13:53 UTCEPSS rescore
  37. 2026-09-01 04:39 UTCEPSS rescore
  38. 2026-08-31 20:45 UTCGHSA enrichment
  39. 2026-08-30 21:43 UTCEG score recompute
  40. 2026-08-30 21:43 UTCGHSA enrichment
  41. 2026-08-30 19:17 UTCEPSS rescore
  42. 2026-08-30 09:56 UTCEG score recompute
  43. 2026-08-30 09:56 UTCGHSA enrichment
  44. 2026-08-30 01:22 UTCEPSS rescore
  45. 2026-08-29 21:22 UTCEG score recompute
  46. 2026-08-29 21:22 UTCGHSA enrichment
  47. 2026-08-28 21:41 UTCEPSS rescore
  48. 2026-08-28 13:54 UTCGHSA enrichment
  49. 2026-08-27 19:54 UTCEG score recompute
  50. 2026-08-27 19:54 UTCGHSA enrichment
  51. 2026-08-27 14:25 UTCEPSS rescore
  52. 2026-08-27 07:59 UTCGHSA enrichment
  53. 2026-08-26 19:50 UTCEG score recompute
  54. 2026-08-26 19:49 UTCGHSA enrichment
  55. 2026-08-26 14:46 UTCEPSS rescore
  56. 2026-08-26 08:03 UTCGHSA enrichment
  57. 2026-08-25 20:15 UTCEG score recompute
  58. 2026-08-25 20:15 UTCGHSA enrichment
  59. 2026-08-25 13:48 UTCEPSS rescore
  60. 2026-08-25 08:28 UTCGHSA enrichment
  61. 2026-08-24 20:30 UTCEG score recompute
  62. 2026-08-24 20:30 UTCGHSA enrichment
  63. 2026-08-24 08:39 UTCGHSA enrichment
  64. 2026-08-23 20:52 UTCGHSA enrichment
  65. 2026-08-23 09:05 UTCEG score recompute
  66. 2026-08-23 09:05 UTCGHSA enrichment
  67. 2026-08-23 00:19 UTCEPSS rescore
  68. 2026-08-22 21:18 UTCGHSA enrichment
  69. 2026-08-22 09:31 UTCEG score recompute
  70. 2026-08-22 09:31 UTCGHSA enrichment
  71. 2026-08-21 23:49 UTCEPSS rescore
  72. 2026-08-21 21:44 UTCGHSA enrichment
  73. 2026-08-21 09:57 UTCEG score recompute
  74. 2026-08-21 09:57 UTCGHSA enrichment
  75. 2026-08-20 22:55 UTCEPSS rescore

Frequently asked(5)

What is CVE-2026-20200?
CVE-2026-20200 is a high vulnerability published on August 5, 2026. A vulnerability in the web-based management interface of Cisco IMC could allow an authenticated, remote attacker with low privileges to execute arbitrary commands on the underlying operating system of an affected system and elevate privileges to root.  This vulnerability is due to improper…
When was CVE-2026-20200 disclosed?
CVE-2026-20200 was first published in the National Vulnerability Database on August 5, 2026, with the most recent update on September 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-20200 actively exploited?
CVE-2026-20200 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 6% probability of exploitation in the next 30 days, which ranks it in the top 7.3% of all scored CVEs.
What is the CVSS score of CVE-2026-20200?
CVE-2026-20200 has a CVSS v4.0 base score of 8.8 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-20200?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-20200, 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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