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CVE

CVE-2020-10719

A flaw was found in Undertow in versions before 2.1.1.Final, regarding the processing of invalid HTTP requests with larg

A flaw was found in Undertow in versions before 2.1.1.Final, regarding the processing of invalid HTTP requests with large chunk sizes. This flaw allows an attacker to take advantage of HTTP request smuggling.

MEDIUM · CVSS 6.5 EPSS 0.00167
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-444Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
CWE-444Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
▤

Affected Products & Versions

8
redhat undertow< 2.1.1
netapp oncommand insight< 7.3.13
redhat fuseall versions
redhat jboss enterprise application platformall versions
redhat openshift application runtimesall versions
redhat single sign-onall versions
netapp active iq unified managerall versions
netapp oncommand workflow automationall versions
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Maven io.undertow:undertow-core MODERATE fixed in 2.1.1.Final
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD26 May 2020 · 04:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
⚑

Vendor Advisories

12
rhsaRHSA-2021:3140Moderate
rhsaRHSA-2020:2813Low
rhsaRHSA-2020:3585Important
rhsaRHSA-2020:2905Moderate
rhsaRHSA-2020:2059Important
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10719Issue TrackingVendor Advisory
https://security.netapp.com/advisory/ntap-20220210-0014/Third Party Advisory
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