Vulnerability Details : CVE-2020-1714
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.
Vulnerability category: Input validationExecute code
Products affected by CVE-2020-1714
- cpe:2.3:a:redhat:jboss_fuse:7.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:decision_manager:7.0:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:single_sign-on:7.0:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:openshift_application_runtimes:-:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:process_automation:7.0:*:*:*:*:*:*:*
- cpe:2.3:a:quarkus:quarkus:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-1714
0.81%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 82 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-1714
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.5
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:P/A:P |
8.0
|
6.4
|
NIST | |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.6
|
5.9
|
Red Hat, Inc. | |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2020-1714
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by:
- nvd@nist.gov (Primary)
- secalert@redhat.com (Secondary)
References for CVE-2020-1714
-
https://github.com/keycloak/keycloak/pull/7053
[Keycloak-10162] Usage of ObjectInputStream without checking the object types by douglaspalmer · Pull Request #7053 · keycloak/keycloak · GitHubPatch;Third Party Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1714
1705975 – (CVE-2020-1714) CVE-2020-1714 keycloak: Lack of checks in ObjectInputStream leading to Remote Code ExecutionIssue Tracking;Vendor Advisory
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