What’s Vulnerable › Vulnerabilities

CVE-2020-10705

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-06-10 · updated 2026-06-17
• Weakness: CWE-770

Description

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

• OnCommand Insight: all versions
• Red Hat JBoss EAP: 7.2
• RedHat Openshift Application Runtimes: all versions
• Red Hat undertow: before 2.1.1 — fixed in 2.1.1

How to fix

Upgrade to a fixed version: Red Hat undertow 2.1.1. Check the vendor advisory for mitigations.

References

• https://bugzilla.redhat.com/show_bug.cgi?id=1803241
• https://security.netapp.com/advisory/ntap-20220210-0014/
• https://bugzilla.redhat.com/show_bug.cgi?id=1803241
• https://security.netapp.com/advisory/ntap-20220210-0014/

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