CVE-2020-2756

LOWNVD 3.73.7—
EchelonGraph scoreMEDIUM confidence

Score 3.7 from GitHub Security Advisory published 2022-05-24. NVD baseline CVSS 3.7; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
3.7
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 4%CVSS: 3.7Exploit: NoneExposed: 0

A fix is available — apply it.

Vulnerability in the Java SE, Java SE Embedded product of Oracle Java SE (component: Serialization). Supported versions that are affected are Java SE: 7u251, 8u241, 11.0.6 and 14; Java SE Embedded: 8u241. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java SE, Java SE Embedded. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Java SE, Java SE Embedded. Note: Applies to client and server deployment of Java. This vulnerability can be exploited through sandboxed Java Web Start applications and sandboxed Java applets. It can also be exploited by supplying data to APIs in the specified Component without using sandboxed Java Web Start applications or sandboxed Java applets, such as through a web service. CVSS 3.0 Base Score 3.7 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L).

CVSS v3
3.7
EG Score
3.7(medium)
EG Risk
18(Track)
EG Risk 18/100SSVC: 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
Severity37% × 45%
Exploitation4% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
89.9%
KEV
Not listed

Published

April 15, 2020

Last Modified

November 21, 2024

References (30)

Patch Availability(15)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntuopenjdk-8-source (8u252-b09-1~16.04) @ xenial2026-05-27ubuntu
redhatjava-1.8.0-ibm-1:1.8.0.6.10-1.el8_22020-05-20redhat
redhatjava-1.7.1-ibm-1:1.7.1.4.65-1jpp.1.el6_102020-05-20redhat
redhatjava-1.8.0-ibm-1:1.8.0.6.10-1jpp.1.el6_102020-05-20redhat
redhatjava-1.8.0-ibm-1:1.8.0.6.10-1jpp.1.el72020-05-20redhat
redhatjava-1.7.1-ibm-1:1.7.1.4.65-1jpp.1.el72020-05-20redhat
redhatjava-11-openjdk-1:11.0.7.10-1.el8_02020-04-22redhat
redhatjava-1.8.0-openjdk-1:1.8.0.252.b09-2.el8_12020-04-22redhat
redhatjava-1.8.0-openjdk-1:1.8.0.252.b09-2.el8_02020-04-22redhat
redhatjava-11-openjdk-1:11.0.7.10-4.el7_82020-04-21redhat
redhatjava-11-openjdk-1:11.0.7.10-1.el8_12020-04-21redhat
redhatjava-1.8.0-openjdk-1:1.8.0.252.b09-2.el6_102020-04-21redhat
redhatjava-1.8.0-openjdk-1:1.8.0.252.b09-2.el7_82020-04-21redhat
redhatjava-1.7.0-openjdk-1:1.7.0.261-2.6.22.1.el6_102020-04-21redhat
redhatjava-1.7.0-openjdk-1:1.7.0.261-2.6.22.2.el7_82020-04-21redhat

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.

Weakness Classification(2)

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

All Vendor Advisories

(15)

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 13× in last 7d / 43× 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 01:52 UTCEG score recompute
  2. 2026-07-22 22:38 UTCEG score recompute
  3. 2026-07-22 14:05 UTCEPSS rescore
  4. 2026-07-21 15:22 UTCEPSS rescore
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  6. 2026-07-20 17:04 UTCEPSS rescore
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  8. 2026-07-19 14:55 UTCOSV refresh
  9. 2026-07-19 14:28 UTCEPSS rescore
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  1. 2026-07-06 16:25 UTCEPSS rescore
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  4. 2026-07-04 06:29 UTCEPSS rescore
  5. 2026-07-04 06:29 UTCEPSS rescore
  6. 2026-07-02 01:47 UTCOSV refresh
  7. 2026-06-30 23:20 UTCEPSS rescore
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  9. 2026-06-29 14:04 UTCEPSS rescore
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  21. 2026-06-21 14:54 UTCEPSS rescore
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  23. 2026-06-21 01:57 UTCEPSS rescore
  24. 2026-06-19 19:24 UTCEPSS rescore
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  26. 2026-06-18 17:50 UTCEPSS rescore
  27. 2026-06-18 17:50 UTCEPSS rescore
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  30. 2026-06-15 17:46 UTCEPSS rescore
  31. 2026-06-14 23:15 UTCEPSS rescore
  32. 2026-06-14 05:13 UTCOSV refresh
  33. 2026-06-13 22:58 UTCEPSS rescore
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  35. 2026-06-11 13:58 UTCEPSS rescore
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  42. 2026-06-06 13:46 UTCEPSS rescore
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  44. 2026-06-05 22:45 UTCEPSS rescore
  45. 2026-06-05 22:45 UTCEPSS rescore
  46. 2026-06-05 06:08 UTCEPSS rescore
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  48. 2026-06-04 13:10 UTCEPSS rescore
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  50. 2026-06-02 20:11 UTCEPSS rescore
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  52. 2026-06-01 13:50 UTCEPSS rescore
  53. 2026-05-31 22:29 UTCEPSS rescore
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  57. 2026-05-29 13:42 UTCEPSS rescore
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  59. 2026-05-28 13:43 UTCEPSS rescore
  60. 2026-05-27 13:39 UTCEPSS rescore
  61. 2026-05-27 13:39 UTCEPSS rescore
  62. 2026-05-27 05:09 UTCEG score recompute
  63. 2026-05-27 05:09 UTCVendor advisory
  64. 2026-05-27 05:09 UTCGHSA enrichment
  65. 2026-05-26 13:42 UTCEPSS rescore
  66. 2026-05-26 13:42 UTCEPSS rescore
  67. 2026-05-26 07:17 UTCEPSS rescore
  68. 2026-05-26 07:17 UTCEPSS rescore
  69. 2026-05-24 02:20 UTCOSV refresh

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2020-2756?
CVE-2020-2756 is a low vulnerability published on April 15, 2020. Vulnerability in the Java SE, Java SE Embedded product of Oracle Java SE (component: Serialization). Supported versions that are affected are Java SE: 7u251, 8u241, 11.0.6 and 14; Java SE Embedded: 8u241. Difficult to exploit vulnerability allows unauthenticated attacker with network access via…
When was CVE-2020-2756 disclosed?
CVE-2020-2756 was first published in the National Vulnerability Database on April 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-2020-2756 actively exploited?
CVE-2020-2756 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 89.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2020-2756?
CVE-2020-2756 has a CVSS v3 base score of 3.7 (NVD).
How do I remediate CVE-2020-2756?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-2756, 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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