CVE-2020-2546

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-24. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 5%CVSS: 9.8Exploit: Elevated riskExposed: 0

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

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Application Container - JavaEE). Supported versions that are affected are 10.3.6.0.0 and 12.1.3.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via T3 to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.0 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
75(Track)
EG Risk 75/100SSVC: 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
Severity98% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
5%
EPSS %ILE
92%
KEV
Not listed

Published

January 15, 2020

Last Modified

November 21, 2024

References (2)

Data Freshness Timeline

(refreshed 7× 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 109 total refreshes for this CVE.

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

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoChktalent/CVE_2020_2546
    First seen Mar 2, 2020

    CVE-2020-2546，CVE-2020-2915 CVE-2020-2801 CVE-2020-2798 CVE-2020-2883 CVE-2020-2884 CVE-2020-2950 WebLogic T3 payload exploit poc python3,

    Open source ↗

Frequently asked(5)

What is CVE-2020-2546?
CVE-2020-2546 is a critical vulnerability published on January 15, 2020. Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Application Container - JavaEE). Supported versions that are affected are 10.3.6.0.0 and 12.1.3.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via T3 to compromise…
When was CVE-2020-2546 disclosed?
CVE-2020-2546 was first published in the National Vulnerability Database on January 15, 2020, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2020-2546 actively exploited?
CVE-2020-2546 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 5% probability of exploitation in the next 30 days, which ranks it in the top 8.3% of all scored CVEs.
What is the CVSS score of CVE-2020-2546?
CVE-2020-2546 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2020-2546?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-2546, 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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