Vulnerability Details : CVE-2020-35509
A flaw was found in keycloak affecting versions 11.0.3 and 12.0.0. An expired certificate would be accepted by the direct-grant authenticator because of missing time stamp validations. The highest threat from this vulnerability is to data confidentiality and integrity.
Vulnerability category: Input validation
Products affected by CVE-2020-35509
- cpe:2.3:a:redhat:keycloak:12.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:keycloak:11.0.3:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-35509
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 20 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-35509
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.4
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N |
2.8
|
2.5
|
NIST |
CWE ids for CVE-2020-35509
-
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: secalert@redhat.com (Secondary)
-
The product does not validate, or incorrectly validates, a certificate.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-35509
-
https://access.redhat.com/security/cve/cve-2020-35509
CVE-2020-35509- Red Hat Customer PortalVendor Advisory
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