Security readout for executives and security teams
Plain-English summary
Cisco Nexus Dashboard has critical unauthorized access flaws. The source says an unauthenticated remote attacker could run commands, read or upload container image files, or perform CSRF. For executives, this is urgent where Nexus Dashboard is deployed, especially if reachable from untrusted networks.
Executive priority
Treat as urgent for any environment using Cisco Nexus Dashboard. Prioritize inventory, exposure reduction, and vendor-guided remediation because compromise could affect confidentiality, integrity, and availability of network management infrastructure.
Technical view
CVE-2022-20857 affects Cisco Nexus Dashboard and maps to CWE-306. It has CVSS 3.1 score 9.8 with network attack vector, low complexity, no privileges, and no user interaction. The supplied data does not specify affected or fixed versions.
Likely exposure
Exposure is limited to organizations running Cisco Nexus Dashboard. Risk is highest when the dashboard or related management services are reachable from the internet, partner networks, or broad internal segments. Version-level exposure cannot be determined from the provided bundle.
Exploitation context
The bundle does not show CISA KEV listing or active exploitation evidence. However, unauthenticated remote access with possible command execution and container image file access makes this a high-impact management-plane vulnerability.
Researcher notes
The provided evidence identifies Cisco Nexus Dashboard, CWE-306, and critical CVSS impact, but omits version and fix details. Analysis should stay tied to Cisco's advisory before declaring specific releases affected or remediated.
Mitigation direction
- Inventory Cisco Nexus Dashboard deployments and versions.
- Review Cisco's advisory for affected versions, fixed releases, and mitigations.
- Restrict Nexus Dashboard access to trusted management networks.
- Remove any unnecessary internet or broad internal exposure.
- Monitor Cisco PSIRT updates for this advisory.
Validation and detection
- Confirm whether Cisco Nexus Dashboard is deployed.
- Compare deployed versions against Cisco's advisory.
- Check whether management interfaces are reachable from untrusted networks.
- Review logs for unusual unauthenticated access or file activity.
- Verify remediation status after applying vendor 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-306: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. 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 lookupContainer behavior lookup
The affected technology mentions containers, so container-specific ATT&CK technique review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2022-20857 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
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- 20220720 Cisco Nexus Dashboard Unauthorized Access VulnerabilitiesCVE reference · vendor-advisory, x_refsource_CISCO
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.
Missing Authentication for Critical Function
Missing Authentication for Critical Function represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.