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Vulnerability details: VCID-m7sr-ms58-4uhh
Vulnerability ID VCID-m7sr-ms58-4uhh
Aliases CVE-2020-1714
GHSA-m6mm-q862-j366
Summary Improper Input Validation in Keycloak A flaw was found in Keycloak before version 11.0.0, where the code base contains usages of ObjectInputStream without type checks. This flaw allows an attacker to inject arbitrarily serialized Java Objects, which would then get deserialized in a privileged context and potentially lead to remote code execution.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-20 Improper Input Validation
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-1714.json
epss 0.01876 https://api.first.org/data/v1/epss?cve=CVE-2020-1714
epss 0.01876 https://api.first.org/data/v1/epss?cve=CVE-2020-1714
epss 0.01876 https://api.first.org/data/v1/epss?cve=CVE-2020-1714
epss 0.02152 https://api.first.org/data/v1/epss?cve=CVE-2020-1714
epss 0.02152 https://api.first.org/data/v1/epss?cve=CVE-2020-1714
epss 0.02152 https://api.first.org/data/v1/epss?cve=CVE-2020-1714
epss 0.02152 https://api.first.org/data/v1/epss?cve=CVE-2020-1714
epss 0.02152 https://api.first.org/data/v1/epss?cve=CVE-2020-1714
epss 0.02152 https://api.first.org/data/v1/epss?cve=CVE-2020-1714
epss 0.02152 https://api.first.org/data/v1/epss?cve=CVE-2020-1714
epss 0.02152 https://api.first.org/data/v1/epss?cve=CVE-2020-1714
epss 0.02152 https://api.first.org/data/v1/epss?cve=CVE-2020-1714
epss 0.02152 https://api.first.org/data/v1/epss?cve=CVE-2020-1714
epss 0.02152 https://api.first.org/data/v1/epss?cve=CVE-2020-1714
epss 0.02152 https://api.first.org/data/v1/epss?cve=CVE-2020-1714
epss 0.02152 https://api.first.org/data/v1/epss?cve=CVE-2020-1714
cvssv3.1 8.8 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1714
generic_textual HIGH https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1714
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-m6mm-q862-j366
cvssv3.1 8.8 https://github.com/keycloak/keycloak
generic_textual HIGH https://github.com/keycloak/keycloak
cvssv3.1 8.8 https://github.com/keycloak/keycloak/commit/33863ba16117844930a38ebde57a25258f5b80fd
generic_textual HIGH https://github.com/keycloak/keycloak/commit/33863ba16117844930a38ebde57a25258f5b80fd
cvssv3.1 8.8 https://github.com/keycloak/keycloak/pull/7053
generic_textual HIGH https://github.com/keycloak/keycloak/pull/7053
cvssv2 6.5 https://nvd.nist.gov/vuln/detail/CVE-2020-1714
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2020-1714
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2020-1714
archlinux High https://security.archlinux.org/AVG-1158
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-1714.json
https://api.first.org/data/v1/epss?cve=CVE-2020-1714
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1714
https://github.com/keycloak/keycloak
https://github.com/keycloak/keycloak/commit/33863ba16117844930a38ebde57a25258f5b80fd
https://github.com/keycloak/keycloak/pull/7053
https://nvd.nist.gov/vuln/detail/CVE-2020-1714
1705975 https://bugzilla.redhat.com/show_bug.cgi?id=1705975
ASA-202005-8 https://security.archlinux.org/ASA-202005-8
AVG-1158 https://security.archlinux.org/AVG-1158
cpe:2.3:a:quarkus:quarkus:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:quarkus:quarkus:*:*:*:*:*:*:*:*
cpe:2.3:a:redhat:decision_manager:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:decision_manager:7.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_fuse:7.0.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:jboss_fuse:7.0.0:*:*:*:*:*:*:*
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:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:openshift_application_runtimes:-:*:*:*:*:*:*:*
cpe:2.3:a:redhat:process_automation:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:process_automation:7.0:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*
GHSA-m6mm-q862-j366 https://github.com/advisories/GHSA-m6mm-q862-j366
RHSA-2020:2813 https://access.redhat.com/errata/RHSA-2020:2813
RHSA-2020:2814 https://access.redhat.com/errata/RHSA-2020:2814
RHSA-2020:2816 https://access.redhat.com/errata/RHSA-2020:2816
RHSA-2020:2905 https://access.redhat.com/errata/RHSA-2020:2905
RHSA-2020:3017 https://access.redhat.com/errata/RHSA-2020:3017
RHSA-2020:3675 https://access.redhat.com/errata/RHSA-2020:3675
RHSA-2020:3678 https://access.redhat.com/errata/RHSA-2020:3678
RHSA-2020:4252 https://access.redhat.com/errata/RHSA-2020:4252
RHSA-2020:5568 https://access.redhat.com/errata/RHSA-2020:5568
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-1714.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:L/UI:N/S:U/C:H/I:H/A:H Found at https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1714
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:L/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/keycloak/keycloak
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:L/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/keycloak/keycloak/commit/33863ba16117844930a38ebde57a25258f5b80fd
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:L/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/keycloak/keycloak/pull/7053
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:S/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2020-1714
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:L/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-1714
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 0.82451
EPSS Score 0.01876
Published At Aug. 1, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T09:02:30.942516+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/02/GHSA-m6mm-q862-j366/GHSA-m6mm-q862-j366.json 37.0.0