Security readout for executives and security teams
CVE-2020-20227 describes a memory corruption issue in MikroTik RouterOS stable 6.47. A remote attacker with valid authentication could crash the /nova/bin/diskd process, causing denial of service. The provided sources do not identify active exploitation, CVSS scoring, or a specific fixed version. Exposure is most relevant for organizations running MikroTik RouterOS stable 6.47, especially where management access is reachable by more than tightly controlled administrators. Evidence is incomplete for other RouterOS versions. Treat this as a focused availability risk for MikroTik routers, not a confirmed active exploitation emergency. Prioritize internet-exposed or broadly administered devices first, then validate patch guidance and access controls. Mitigation focus: Identify MikroTik RouterOS devices and confirm whether any run stable 6.47.; Check MikroTik guidance or release notes for affected and fixed versions.; Upgrade if vendor guidance identifies a corrected RouterOS release..
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.
CVE-2020-20227 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
- 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://mikrotik.com/CVE reference · x_refsource_MISC
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.