High severity · published Sep 16, 2020
CVE-2020-10758
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…
7.5
CVSS
1.9%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.9% · higher than 80% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Keycloak · Redhat
before 11.0.1 · source: NVD
OA
Openshift Application Runtimes · Redhat
1.0 · source: NVD
SS
Single Sign-on · Redhat
7.0; 7.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-10758
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-10758
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1843849
Patch
https://github.com/keycloak/keycloak/commit/bee4ca89897766c4b68856eafe14f1a3dad34251
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