Security readout for executives and security teams
Plain-English summary
This flaw could briefly expose Kubernetes cluster secrets to users who should only have view-level access. The business risk is unauthorized disclosure of sensitive cluster credentials or configuration data. It is rated medium, but confidentiality impact is high where affected Red Hat open-cluster-management versions are deployed.
Executive priority
Prioritize this for any cluster management environment using affected Red Hat open-cluster-management versions. It is not a mass unauthenticated internet risk, but leaked cluster secrets can create follow-on operational and security impact.
Technical view
CVE-2020-25655 affects the ManagedClusterView API in Red Hat open-cluster-management 2.0.4 and 2.1.0. Views created for an admin user could remain briefly available to lower-privileged view users, allowing unintended secret reads. The issue maps to CWE-863, incorrect authorization.
Likely exposure
Exposure is likely limited to environments running Red Hat open-cluster-management 2.0.4 or 2.1.0 with users holding view permission. Risk increases where those users can observe ManagedClusterView output during the short disclosure window.
Exploitation context
The source bundle does not cite active exploitation, public exploit code, or CISA KEV listing. Exploitation requires a low-privileged authenticated user and user interaction according to the CVSS vector. Evidence is insufficient to claim real-world abuse.
Researcher notes
The key issue is transient authorization failure in ManagedClusterView result availability. Available public details do not name a patch version, workaround, or exploit procedure. Focus validation on affected versions, RBAC exposure, audit evidence, and vendor-confirmed remediation.
Mitigation direction
- Check Red Hat guidance for fixed packages or supported remediation.
- Upgrade affected open-cluster-management deployments when vendor fixes are available.
- Restrict view-level access to trusted users until remediation is complete.
- Review and rotate cluster secrets if unauthorized access is suspected.
- Monitor vendor advisories for additional affected-version or fix details.
Validation and detection
- Inventory open-cluster-management deployments and confirm exact versions.
- Identify users and groups with view permission to managed cluster resources.
- Review audit logs for ManagedClusterView access by non-admin users.
- Check whether sensitive secret data was exposed during relevant windows.
- Verify remediation against Red Hat advisory or package guidance.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-863: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2020-25655 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.7 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N2.13.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.7MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25655CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Incorrect Authorization
Incorrect Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.