Security readout for executives and security teams
CVE-2021-0089 is a processor-side information disclosure issue affecting some Intel(R) processors. The public description says a local, authorized user could potentially observe response differences and infer information. This is not a remote internet-facing bug based on the provided sources. Exposure is most relevant to systems using affected Intel(R) processors, especially multi-user or virtualized environments where local authorized users or guest workloads matter. Exact affected processor models are not included in the bundle. Treat as a targeted local information disclosure risk, not a confirmed emergency from the provided evidence. Prioritize shared infrastructure and virtualization hosts, then fold remaining endpoints into normal firmware and OS update cycles. Mitigation focus: Review Intel SA-00516 for affected processor guidance and mitigations.; Apply relevant OS, hypervisor, and distribution security updates.; Prioritize shared, multi-tenant, and virtualization hosts..
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
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ATT&CK lookup starting points
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CVE-2021-0089 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00516.htmlCVE reference · x_refsource_MISC
- DSA-4931CVE reference · vendor-advisory, x_refsource_DEBIAN
- FEDORA-2021-41d4347447CVE reference · vendor-advisory, x_refsource_FEDORA
- FEDORA-2021-993693c914CVE reference · vendor-advisory, x_refsource_FEDORA
- GLSA-202107-30CVE reference · vendor-advisory, x_refsource_GENTOO
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.