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Vulnerability details: VCID-cu62-wvqd-a3ed
Vulnerability ID VCID-cu62-wvqd-a3ed
Aliases CVE-2020-10758
GHSA-52rg-hpwq-qp56
Summary Allocation of Resources Without Limits or Throttling in Keycloak 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.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-770 Allocation of Resources Without Limits or Throttling
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-400 Uncontrolled Resource Consumption
System Score Found at
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-10758.json
epss 0.00529 https://api.first.org/data/v1/epss?cve=CVE-2020-10758
epss 0.00529 https://api.first.org/data/v1/epss?cve=CVE-2020-10758
epss 0.00529 https://api.first.org/data/v1/epss?cve=CVE-2020-10758
epss 0.00529 https://api.first.org/data/v1/epss?cve=CVE-2020-10758
epss 0.00529 https://api.first.org/data/v1/epss?cve=CVE-2020-10758
epss 0.00529 https://api.first.org/data/v1/epss?cve=CVE-2020-10758
epss 0.00529 https://api.first.org/data/v1/epss?cve=CVE-2020-10758
epss 0.00529 https://api.first.org/data/v1/epss?cve=CVE-2020-10758
epss 0.00529 https://api.first.org/data/v1/epss?cve=CVE-2020-10758
epss 0.00529 https://api.first.org/data/v1/epss?cve=CVE-2020-10758
epss 0.00529 https://api.first.org/data/v1/epss?cve=CVE-2020-10758
epss 0.00529 https://api.first.org/data/v1/epss?cve=CVE-2020-10758
epss 0.00529 https://api.first.org/data/v1/epss?cve=CVE-2020-10758
epss 0.00529 https://api.first.org/data/v1/epss?cve=CVE-2020-10758
epss 0.00529 https://api.first.org/data/v1/epss?cve=CVE-2020-10758
epss 0.00529 https://api.first.org/data/v1/epss?cve=CVE-2020-10758
epss 0.00529 https://api.first.org/data/v1/epss?cve=CVE-2020-10758
epss 0.00529 https://api.first.org/data/v1/epss?cve=CVE-2020-10758
epss 0.00529 https://api.first.org/data/v1/epss?cve=CVE-2020-10758
epss 0.00529 https://api.first.org/data/v1/epss?cve=CVE-2020-10758
epss 0.00529 https://api.first.org/data/v1/epss?cve=CVE-2020-10758
epss 0.00529 https://api.first.org/data/v1/epss?cve=CVE-2020-10758
epss 0.00529 https://api.first.org/data/v1/epss?cve=CVE-2020-10758
epss 0.00529 https://api.first.org/data/v1/epss?cve=CVE-2020-10758
epss 0.00529 https://api.first.org/data/v1/epss?cve=CVE-2020-10758
epss 0.00529 https://api.first.org/data/v1/epss?cve=CVE-2020-10758
epss 0.00529 https://api.first.org/data/v1/epss?cve=CVE-2020-10758
cvssv3.1 7.5 https://bugzilla.redhat.com/show_bug.cgi?id=1843849
generic_textual HIGH https://bugzilla.redhat.com/show_bug.cgi?id=1843849
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-52rg-hpwq-qp56
cvssv3.1 7.5 https://github.com/keycloak/keycloak/commit/bee4ca89897766c4b68856eafe14f1a3dad34251
generic_textual HIGH https://github.com/keycloak/keycloak/commit/bee4ca89897766c4b68856eafe14f1a3dad34251
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2020-10758
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2020-10758
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2020-10758
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-10758.json
https://api.first.org/data/v1/epss?cve=CVE-2020-10758
https://bugzilla.redhat.com/show_bug.cgi?id=1843849
https://github.com/keycloak/keycloak/commit/bee4ca89897766c4b68856eafe14f1a3dad34251
https://nvd.nist.gov/vuln/detail/CVE-2020-10758
cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_application_runtimes:1.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:openshift_application_runtimes:1.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_application_runtimes:-:*:*:*:text-only:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:openshift_application_runtimes:-:*:*:*:text-only:*:*:*
cpe:2.3:a:redhat:single_sign-on:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:single_sign-on:7.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:single_sign-on:7.4:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:single_sign-on:7.4:*:*:*:*:*:*:*
cpe:2.3:a:redhat:single_sign-on:-:*:*:*:text-only:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:single_sign-on:-:*:*:*:text-only:*:*:*
GHSA-52rg-hpwq-qp56 https://github.com/advisories/GHSA-52rg-hpwq-qp56
RHSA-2020:3495 https://access.redhat.com/errata/RHSA-2020:3495
RHSA-2020:3496 https://access.redhat.com/errata/RHSA-2020:3496
RHSA-2020:3497 https://access.redhat.com/errata/RHSA-2020:3497
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-10758.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://bugzilla.redhat.com/show_bug.cgi?id=1843849
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/keycloak/keycloak/commit/bee4ca89897766c4b68856eafe14f1a3dad34251
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2020-10758
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-10758
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.66239
EPSS Score 0.00529
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T09:03:02.173941+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/02/GHSA-52rg-hpwq-qp56/GHSA-52rg-hpwq-qp56.json 37.0.0