CVE-2020-10705

HIGHNVD 7.57.5—

7.5

A flaw was discovered in Undertow in versions before Undertow 2.1.1.Final where certain requests to the "Expect: 100-continue" header may cause an out of memory error. This flaw may potentially lead to a denial of service.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 53.4%
KEV: Not listed

Published

June 10, 2020

Last Modified

November 21, 2024

References (4)

secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=1803241
secalert@redhathttps://security.netapp.com/advisory/ntap-20220210-0014/
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1803241
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20220210-0014/

Patch Availability(8)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
redhat	eap7-wildfly-0:7.1.12-2.GA_redhat_00002.1.ep7.el7	2025-09-25	redhat
redhat	undertow	2020-08-31	redhat
redhat	patch	2020-07-23	redhat
redhat	eap7-wss4j-0:2.2.5-1.redhat_00001.1.el6eap	2020-06-11	redhat
redhat	eap7-wss4j-0:2.2.5-1.redhat_00001.1.el7eap	2020-06-11	redhat
redhat	eap7-wss4j-0:2.2.5-1.redhat_00001.1.el8eap	2020-06-11	redhat
redhat	patch	2020-06-10	redhat
redhat	undertow-core	2020-05-11	redhat

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.

Affected Packages

(1 across 1 ecosystem)

Maven(1)

Package	Vulnerable range	Fixed in	Dependents
io.undertow:undertow-core	1.0.0.Alpha1 ... 2.1.0.Final (260 versions)	2.1.1.Final	—

Weakness Classification(1)

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

CWE-770Allocation of Resources Without Limits or Throttling

All Vendor Advisories

(11)

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 8× in last 7d / 8× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:39 UTCepss_batch
2026-05-27 02:38 UTCEG score recompute
2026-05-27 02:38 UTCVendor advisory
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-24 12:21 UTCOSV refresh

Frequently asked(5)

What is CVE-2020-10705?

CVE-2020-10705 is a high vulnerability published on June 10, 2020. A flaw was discovered in Undertow in versions before Undertow 2.1.1.Final where certain requests to the "Expect: 100-continue" header may cause an out of memory error. This flaw may potentially lead to a denial of service.

When was CVE-2020-10705 disclosed?

CVE-2020-10705 was first published in the National Vulnerability Database on June 10, 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-2020-10705 actively exploited?

CVE-2020-10705 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 53.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-10705?

CVE-2020-10705 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2020-10705?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-10705, 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-2020-10705

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CVE-2020-10705

Published

Last Modified

References (4)

Patch Availability(8)

Affected Packages

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-10705?

Same vendor

Same CWE

CVE-2020-10705

📅 Published

🔄 Last Modified

🔗 References (4)

Patch Availability(8)

Affected Packages

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-10705?

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Frequently asked(5)

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