Undertow
CVE-2020-10705
HIGH
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
1Blast Radius
ecosystem impact- 191 maven packages depend on io.undertow:undertow-core (76 direct, 115 indirect)
Ecosystem-wide dependent count for version 2.1.1.Final.
DescriptionNVD
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.
AnalysisAI
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. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Allocation of Resources Without Limits (CWE-770), which allows attackers to exhaust system resources through uncontrolled allocation. 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. Affected products include: Redhat Undertow, Netapp Oncommand Insight, Redhat Jboss Enterprise Application Platform, Redhat Openshift Application Runtimes.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Set resource limits, implement rate limiting, validate input sizes.
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A flaw was found in, all under 2.0.20, in the Undertow DEBUG log for io.undertow.request.security. Rated critical severi
A vulnerability was found in Undertow web server before 2.0.21. Rated critical severity (CVSS 9.8), this vulnerability i
Undertow HTTP server (used in WildFly, JBoss EAP) fails to validate Host headers, enabling cache poisoning, internal net
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Undertow, a Java web server used across Red Hat's JBoss Enterprise Application Platform, Fuse, and other middleware prod
A flaw was found in Undertow. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authenticat
A flaw was found in undertow. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authenticat
A flaw was found in undertow. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authenticat
A flaw was found in Undertow. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authenticat
A flaw was found in Undertow. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authenticat
Same technique Denial Of Service
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External POC / Exploit Code
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