CVE-2020-36911

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-01-14. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this weekElevated
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 10%CVSS: 9.8Exploit: NoneExposed: 0

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

Covenant 0.1.3 - 0.5 contains a remote code execution vulnerability that allows attackers to craft malicious JWT tokens with administrative privileges. Attackers can generate forged tokens with admin roles and upload custom DLL payloads to execute arbitrary commands on the target system.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
75(Attend)
EG Risk 75/100SSVC: Attend

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: Remediate soon — notable exploitation risk.
EPSS
95.3%
KEV
Not listed

Published

January 13, 2026

Last Modified

January 29, 2026

Advisory Details (6)

Auto-updated May 30, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic

Hunting the Hunters - RCE in Covenant C2 · null farm

https://web.archive.org/web/20201101052547/https://blog.null.farm/hunting-the-hunters
generic

covenant_rce/covenant_jwt_rce.rb at master · Zeop-CyberSec/covenant_rce · GitHub

https://github.com/Zeop-CyberSec/covenant_rce/blob/master/covenant_jwt_rce.rb
generic

Covenant 0.5 - Remote Code Execution (RCE) | Advisories | VulnCheck

https://www.vulncheck.com/advisories/covenant-remote-code-execution-rce
generic🟡 PoC Available

Covenant v0.5 - Remote Code Execution (RCE) - Multiple webapps Exploit

https://www.exploit-db.com/exploits/51141
generic

Ryan Cobb auf Twitter: "Covenant users should be aware that a critical security bug has been discovered in v0.1.3-v0.5. Details will be available later this week, for now: 1. Update to Covenant v0.6 2. and/or ensure Covenant’s admin port is not publicly accessible (which should always be the case)"

https://web.archive.org/web/20201013165001/https://twitter.com/cobbr_io/status/1316058367161401344
generic

GitHub - cobbr/Covenant: Covenant is a collaborative .NET C2 framework for red teamers. · GitHub

https://github.com/cobbr/Covenant

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 14× in last 7d / 45× 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. 2026-07-23 14:15 UTCEPSS rescore
  2. 2026-07-23 14:15 UTCEPSS rescore
  3. 2026-07-23 10:49 UTCOSV refresh
  4. 2026-07-23 01:53 UTCEG score recompute
  5. 2026-07-22 22:39 UTCEG score recompute
  6. 2026-07-22 14:05 UTCEPSS rescore
  7. 2026-07-21 15:22 UTCEPSS rescore
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  9. 2026-07-20 17:04 UTCEPSS rescore
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  11. 2026-07-19 14:28 UTCEPSS rescore
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  15. 2026-07-16 16:59 UTCEPSS rescore
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  19. 2026-07-13 22:27 UTCEPSS rescore
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  21. 2026-07-13 06:10 UTCEPSS rescore
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  1. 2026-07-09 19:07 UTCEPSS rescore
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  3. 2026-07-07 13:43 UTCEPSS rescore
  4. 2026-07-06 16:25 UTCEPSS rescore
  5. 2026-07-06 16:25 UTCEPSS rescore
  6. 2026-07-06 06:02 UTCOSV refresh
  7. 2026-07-04 06:29 UTCEPSS rescore
  8. 2026-07-04 06:29 UTCEPSS rescore
  9. 2026-06-30 23:20 UTCEPSS rescore
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  11. 2026-06-29 14:04 UTCEPSS rescore
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  14. 2026-06-27 03:06 UTCEPSS rescore
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  16. 2026-06-25 13:48 UTCEPSS rescore
  17. 2026-06-24 14:03 UTCEPSS rescore
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  19. 2026-06-23 21:31 UTCEPSS rescore
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  21. 2026-06-22 14:23 UTCEPSS rescore
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  23. 2026-06-21 14:54 UTCEPSS rescore
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  25. 2026-06-19 19:24 UTCEPSS rescore
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  27. 2026-06-18 17:50 UTCEPSS rescore
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  29. 2026-06-17 17:50 UTCEPSS rescore
  30. 2026-06-17 17:13 UTCOSV refresh
  31. 2026-06-16 17:50 UTCEPSS rescore
  32. 2026-06-15 17:46 UTCEPSS rescore
  33. 2026-06-14 23:15 UTCEPSS rescore
  34. 2026-06-13 22:58 UTCEPSS rescore
  35. 2026-06-12 23:10 UTCEPSS rescore
  36. 2026-06-11 13:58 UTCEPSS rescore
  37. 2026-06-10 22:16 UTCEPSS rescore
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  39. 2026-06-08 14:15 UTCEPSS rescore
  40. 2026-06-07 15:23 UTCEPSS rescore
  41. 2026-06-07 15:23 UTCEPSS rescore
  42. 2026-06-07 15:23 UTCEPSS rescore
  43. 2026-06-06 13:46 UTCEPSS rescore
  44. 2026-06-06 13:45 UTCEPSS rescore
  45. 2026-06-05 22:45 UTCEPSS rescore
  46. 2026-06-05 22:45 UTCEPSS rescore
  47. 2026-06-05 06:08 UTCEPSS rescore
  48. 2026-06-05 06:08 UTCEPSS rescore
  49. 2026-06-04 13:10 UTCEPSS rescore
  50. 2026-06-04 13:10 UTCEPSS rescore
  51. 2026-06-02 20:11 UTCEPSS rescore
  52. 2026-06-02 20:11 UTCEPSS rescore
  53. 2026-06-01 13:50 UTCEPSS rescore
  54. 2026-05-31 22:29 UTCEPSS rescore
  55. 2026-05-31 22:29 UTCEPSS rescore
  56. 2026-05-31 00:15 UTCEPSS rescore
  57. 2026-05-31 00:15 UTCEPSS rescore
  58. 2026-05-29 16:02 UTCEG score recompute
  59. 2026-05-29 16:02 UTCGHSA enrichment
  60. 2026-05-29 13:42 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2020-36911?
CVE-2020-36911 is a critical vulnerability published on January 13, 2026. Covenant 0.1.3 - 0.5 contains a remote code execution vulnerability that allows attackers to craft malicious JWT tokens with administrative privileges. Attackers can generate forged tokens with admin roles and upload custom DLL payloads to execute arbitrary commands on the target system.
When was CVE-2020-36911 disclosed?
CVE-2020-36911 was first published in the National Vulnerability Database on January 13, 2026, with the most recent update on January 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2020-36911 actively exploited?
CVE-2020-36911 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 95.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2020-36911?
CVE-2020-36911 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2020-36911?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-36911, 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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