CVE-2020-10199

CRITICALNVD 8.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 8.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, nvd
Trending — 3 sources updated this weekExploited in the wild
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 99%CVSS: 8.8Exploit: cisa kev · ssvc active · Metasploit · Exploit-DB (verified) · epss top5pct · epss high · public exploitExposed: 0

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

Sonatype Nexus Repository before 3.21.2 allows JavaEL Injection (issue 1 of 2).

CVSS v3
8.8
EG Score
9.0(high)
EG Risk
81(Attend)
EG Risk 81/100SSVC: 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
Severity90% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
99%
EPSS %ILE
100%
KEV
⚠ Exploited

Published

April 1, 2020

Last Modified

November 7, 2025

Advisory Details (2)

Auto-updated Jun 2, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-10199
generic

CWE - CWE-917: Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection') (4.20)

https://cwe.mitre.org/data/definitions/917.html

Affected Packages

(1 across 1 ecosystem)
Maven(1)
PackageVulnerable rangeFixed inDependents
org.sonatype.nexus:nexus-extdirect3.0.0-03 ... 3.9.0-01 (49 versions)3.21.2—

Weakness Classification(1)

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

Data Freshness Timeline

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

Publicly available exploits

(9 references)

Working exploit code is in the public domain (1 Metasploit module) (5 GitHub PoCs) (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-49385✓ verified
    First seen Jan 6, 2021

    Sonatype Nexus 3.21.1 - Remote Code Execution (Authenticated)

    Open source ↗
  • GitHub PoCaleenzz/CVE-2020-10199
    First seen May 15, 2020

    CVE-2020-10199 回显版本

    Open source ↗
  • Exploit-DBEDB-48343✓ verified
    First seen Apr 17, 2020

    Nexus Repository Manager - Java EL Injection RCE (Metasploit)

    Open source ↗
  • GitHub PoCzhzyker/CVE-2020-10199_POC-EXP
    First seen Apr 16, 2020

    CVE-2020-10199 Nexus <= 3.21.1 远程代码执行脚本(有回显)

    Open source ↗
  • GitHub PoCmagicming200/CVE-2020-10199_CVE-2020-10204
    First seen Apr 8, 2020

    CVE-2020-10199、CVE-2020-10204漏洞一键检测工具，图形化界面。CVE-2020-10199 and CVE-2020-10204 Vul Tool with GUI.

    Open source ↗
  • GitHub PoCjas502n/CVE-2020-10199
    First seen Apr 8, 2020

    CVE-2020-10199、CVE-2020-10204、CVE-2020-11444

    Open source ↗
  • GitHub PoCwsfengfan/CVE-2020-10199-10204
    First seen Apr 7, 2020

    CVE-2020-10199 CVE-2020-10204 Python POC

    Open source ↗
  • Metasploitexploit/linux/http/nexus_repo_manager_el_injection✓ verified
    First seen Mar 31, 2020

    Nexus Repository Manager Java EL Injection RCE

    Open source ↗
  • Nucleihttp/cves/2020/CVE-2020-10199.yaml
    First seen Jan 1, 2020

    Sonatype Nexus Repository Manager 3 - Remote Code Execution

    Open source ↗

Frequently asked(6)

What is CVE-2020-10199?
CVE-2020-10199 is a critical vulnerability published on April 1, 2020. Sonatype Nexus Repository before 3.21.2 allows JavaEL Injection (issue 1 of 2).
When was CVE-2020-10199 disclosed?
CVE-2020-10199 was first published in the National Vulnerability Database on April 1, 2020, with the most recent update on November 7, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2020-10199 actively exploited?
Yes. CISA added CVE-2020-10199 to the Known Exploited Vulnerabilities catalog on November 3, 2021, affecting Sonatype Nexus Repository. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2020-10199?
CVE-2020-10199 has a CVSS v3 base score of 8.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2020-10199?
CVE-2020-10199 affects Sonatype Nexus Repository. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2020-10199?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-10199, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2020-10199

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