Security readout for executives and security teams
Plain-English summary
CVE-2020-3371 is a command injection flaw in Cisco Integrated Management Controller. An authenticated remote user reaching the web management interface could run commands on the underlying operating system. Business urgency is moderate because credentials are required, but IMC manages server hardware, so compromise can affect sensitive infrastructure operations.
Executive priority
Treat this as a scheduled infrastructure remediation item with priority over routine maintenance if IMC is reachable beyond a protected admin network or has broad user access.
Technical view
The issue is CWE-78 in the Cisco IMC web UI, caused by insufficient input validation. The CVSS 3.1 vector is AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L, score 6.3. Successful exploitation allows arbitrary command execution at the OS level from crafted input to the management interface.
Likely exposure
Exposure is likely limited to Cisco Unified Computing System standalone deployments using Cisco IMC where the web-based management interface is reachable by authenticated users. The source bundle does not identify exact affected or fixed versions.
Exploitation context
The bundle reports no CISA KEV listing and provides no cited evidence of active exploitation. Exploitation requires network access to the IMC web UI and low-privileged authentication, with no user interaction required.
Researcher notes
The public bundle confirms command injection impact and CVSS but lacks version-level affected data, exploit observations, and specific fixes. Validate exposure through asset inventory and Cisco advisory mapping before concluding risk scope.
Mitigation direction
- Review Cisco's advisory for affected and fixed IMC releases.
- Apply Cisco-recommended updates or workarounds where applicable.
- Restrict IMC web UI access to trusted management networks.
- Review IMC user accounts and remove unnecessary access.
- Monitor IMC authentication and administrative activity for anomalies.
Validation and detection
- Inventory Cisco UCS standalone systems with IMC enabled.
- Identify IMC software versions and compare them with Cisco guidance.
- Confirm the IMC web UI is not broadly reachable.
- Review logs for unexpected authenticated management actions.
- Verify only required administrators can access IMC.
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-78: Command execution behavior lookup
Command injection weaknesses can lead defenders to review execution techniques and command interpreter telemetry. 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 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-2020-3371 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
- 6.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
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:N/S:U/C:L/I:L/A:L2.83.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source materials
- CVE List V5 sourceCVE List V5
- 20201104 Cisco Integrated Management Controller Command Injection VulnerabilityCVE 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.
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
