Security readout for executives and security teams
CVE-2021-1497 is a critical Cisco HyperFlex HX issue. An unauthenticated remote attacker could abuse the web-based management interface to run operating-system commands on an affected device. Because CISA lists it in KEV, treat internet or broadly reachable management interfaces as urgent exposure. Organizations using Cisco HyperFlex HX Data Platform may be exposed, especially where the web-based management interface is reachable from untrusted networks. The bundle does not provide exact affected or fixed version ranges, so product and release validation must use Cisco’s advisory. Immediate priority for any Cisco HyperFlex HX environment. The issue combines unauthenticated remote command injection, critical CVSS scoring, and CISA KEV status. Confirm exposure and remediate through Cisco guidance without delay. Mitigation focus: Check Cisco’s advisory for affected and fixed HyperFlex HX releases.; Upgrade or apply vendor-directed remediation where applicable.; Confirm management interfaces are not exposed to untrusted networks..
Michael Williams reviewed this cited source version on .
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CWE-78: Command execution behavior lookup
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Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-1497 mapping review
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Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- Yes
- 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.
CISA KEV status
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
- 20210505 Cisco HyperFlex HX Command Injection VulnerabilitiesCVE reference · vendor-advisory, x_refsource_CISCO
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-1497CVE reference · government-resource
Products and packages named in the record
CWE details
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