Home/CVE/A vulnerability was found in Keycloak before 11.0.1 where DoS attack is possible by sending twenty requests simultaneous
CVE

CVE-2020-10758

A vulnerability was found in Keycloak before 11.0.1 where DoS attack is possible by sending twenty requests simultaneous

A vulnerability was found in Keycloak before 11.0.1 where DoS attack is possible by sending twenty requests simultaneously to the specified keycloak server, all with a Content-Length header value that exceeds the actual byte count of the request body.

HIGH · CVSS 7.5 EPSS 0.00529
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-770Allocation of Resources Without Limits or Throttling
▤

Affected Products & Versions

3
redhat keycloak< 11.0.1
redhat openshift application runtimesall versions
redhat single sign-onall 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 org.keycloak:keycloak-parent HIGH fixed in 11.0.1
▣

Scoring & Timeline

7.5
HIGH · 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 NVD16 Sep 2020 · 04:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

5
rhsaRHSA-2020:3501Important
rhsaRHSA-2020:3496Important
rhsaRHSA-2020:3497Important
rhsaRHSA-2020:3495Important
rhsaRHSA-2020:3539Important
🔗

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=1843849Issue TrackingMitigationVendor Advisory
https://github.com/keycloak/keycloak/commit/bee4ca89897766c4b68856eafe14f1a3dad34251PatchThird Party Advisory
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