Staging Environment: Content and features may be unstable or change without notice.
Advisory details: github_osv / GHSA-m6mm-q862-j366
Advisory ID github_osv/GHSA-m6mm-q862-j366
Aliases CVE-2020-1714
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 7.9
Risk 4.0
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (1)
CWE-20 Improper Input Validation
System Score Found at
cvssv3.1 8.8 https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/02/GHSA-m6mm-q862-j366/GHSA-m6mm-q862-j366.json
generic_textual HIGH
Reference id Reference type URL
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
CVE-2020-1714 https://nvd.nist.gov/vuln/detail/CVE-2020-1714
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
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/github/advisory-database/blob/main/advisories/github-reviewed/2022/02/GHSA-m6mm-q862-j366/GHSA-m6mm-q862-j366.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

There are no SSVC decisions available.