CVE-2021-2161

MEDIUMNVD 5.95.9—
EchelonGraph scoreMEDIUM confidence

Score 5.9 from GitHub Security Advisory published 2022-05-24. NVD baseline CVSS 5.9; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
5.9EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 3%CVSS: 5.9Exploit: None knownExposed: 0

A fix is available — apply it.

Vulnerability in the Java SE, Java SE Embedded, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Libraries). Supported versions that are affected are Java SE: 7u291, 8u281, 11.0.10, 16; Java SE Embedded: 8u281; Oracle GraalVM Enterprise Edition: 19.3.5, 20.3.1.2 and 21.0.0.2. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java SE, Java SE Embedded, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Java SE, Java SE Embedded, Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability applies to Java deployments that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. It can also be exploited by supplying untrusted data to APIs in the specified Component. CVSS 3.1 Base Score 5.9 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N).

CVSS v3
5.9
EG Score
5.9(medium)
EG Risk
28(Track)
EG Risk 28/100SSVC: 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
Severity59% × 45%
Exploitation3% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
3%
EPSS %ILE
87%
KEV
Not listed

Published

April 22, 2021

Last Modified

November 21, 2024

References (26)

Patch Availability(2)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatpatch2021-04-28redhat
redhatpatch2021-04-28redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

All Vendor Advisories

(2)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 9× in last 7d / 35× 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 134 total refreshes for this CVE.

  1. 2026-08-20 22:52 UTCEPSS rescore
  2. 2026-08-20 04:15 UTCOSV refresh
  3. 2026-08-19 17:01 UTCEPSS rescore
  4. 2026-08-18 13:45 UTCEPSS rescore
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  17. 2026-08-05 19:14 UTCEPSS rescore
  18. 2026-08-04 23:11 UTCOSV refresh
  19. 2026-08-04 15:06 UTCEPSS rescore
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  1. 2026-07-30 01:28 UTCEPSS rescore
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  6. 2026-07-25 14:15 UTCEPSS rescore
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  8. 2026-07-23 14:16 UTCEPSS rescore
  9. 2026-07-23 01:57 UTCEG score recompute
  10. 2026-07-22 22:43 UTCEG score recompute
  11. 2026-07-22 14:06 UTCEPSS rescore
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  19. 2026-07-18 21:29 UTCOSV refresh
  20. 2026-07-18 10:02 UTCEPSS rescore
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  22. 2026-07-16 17:00 UTCEPSS rescore
  23. 2026-07-15 16:55 UTCEPSS rescore
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  25. 2026-07-15 01:58 UTCEPSS rescore
  26. 2026-07-13 22:27 UTCEPSS rescore
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  28. 2026-07-13 06:10 UTCEPSS rescore
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  31. 2026-07-11 08:25 UTCEPSS rescore
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  43. 2026-07-02 16:57 UTCEPSS rescore
  44. 2026-07-01 15:03 UTCEPSS rescore
  45. 2026-07-01 04:48 UTCOSV refresh
  46. 2026-06-30 23:20 UTCEPSS rescore
  47. 2026-06-30 23:20 UTCEPSS rescore
  48. 2026-06-28 04:54 UTCEPSS rescore
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  50. 2026-06-27 03:06 UTCEPSS rescore
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  52. 2026-06-25 13:48 UTCEPSS rescore
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  54. 2026-06-24 14:03 UTCEPSS rescore
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  66. 2026-06-18 17:51 UTCEPSS rescore
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  68. 2026-06-17 17:51 UTCEPSS rescore
  69. 2026-06-16 17:51 UTCEPSS rescore
  70. 2026-06-15 17:46 UTCEPSS rescore
  71. 2026-06-14 23:15 UTCEPSS rescore
  72. 2026-06-13 22:58 UTCEPSS rescore
  73. 2026-06-13 22:58 UTCEPSS rescore
  74. 2026-06-13 08:13 UTCOSV refresh
  75. 2026-06-12 23:10 UTCEPSS rescore

Frequently asked(5)

What is CVE-2021-2161?
CVE-2021-2161 is a medium vulnerability published on April 22, 2021. Vulnerability in the Java SE, Java SE Embedded, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Libraries). Supported versions that are affected are Java SE: 7u291, 8u281, 11.0.10, 16; Java SE Embedded: 8u281; Oracle GraalVM Enterprise Edition: 19.3.5, 20.3.1.2 and 21.0.0.2.…
When was CVE-2021-2161 disclosed?
CVE-2021-2161 was first published in the National Vulnerability Database on April 22, 2021, 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-2021-2161 actively exploited?
CVE-2021-2161 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3% probability of exploitation in the next 30 days, which ranks it in the top 13.2% of all scored CVEs.
What is the CVSS score of CVE-2021-2161?
CVE-2021-2161 has a CVSS v3 base score of 5.9 (NVD).
How do I remediate CVE-2021-2161?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-2161, 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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