Advisory details:
github_osv / GHSA-rpj2-w6fr-79hc
| Advisory ID | github_osv/GHSA-rpj2-w6fr-79hc |
| Aliases |
CVE-2020-35509
|
| Summary | Keycloak vulnerable to Improper Certificate Validation keycloak accepts an expired certificate by the direct-grant authenticator because of missing time stamp validations. The highest threat from this vulnerability is to data confidentiality and integrity. This issue was partially fixed in version [13.0.1](https://github.com/keycloak/keycloak/pull/6330) and more completely fixed in version [14.0.0](https://github.com/keycloak/keycloak/pull/8067). |
| Status | Published |
| Exploitability | 0.5 |
| Weighted Severity | 4.9 |
| Risk | 2.5 |
| Affected and Fixed Packages | Package Details |
| Introduced and Fixed Package Commit Patches | Package Commit Patches Details |
| CWE-295 | Improper Certificate Validation |
| CWE-20 | Improper Input Validation |
| System | Score | Found at |
|---|---|---|
| cvssv3.1 | 5.4 | https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/08/GHSA-rpj2-w6fr-79hc/GHSA-rpj2-w6fr-79hc.json |
| generic_textual | MODERATE |
No EPSS data available for this advisory.
| Patch URL | |
|---|---|
| There are no known patches. | |
| 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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-30T19:38:02Z/
Decision: Track
Source URL: https://github.com/cisagov/vulnrichment/blob/develop/2020/35xxx/CVE-2020-35509.json
Source Advisory: vulnrichment/CVE-2020-35509
[{'Exploitation': 'none'},
{'Automatable': 'no'},
{'Technical Impact': 'partial'},
{'Mission Prevalence': 'minimal'},
{'Public Well-being Impact': 'material'},
{'Mission & Well-being': 'medium'}]