Security readout for executives and security teams
Plain-English summary
This flaw lets a logged-in, low-privilege user abuse the Cisco IOS XE web interface to run IOS commands that should require higher privileges. A successful attack could change device configuration or disrupt availability. It matters most where router or switch management interfaces are reachable by many internal users or exposed beyond trusted administration networks.
Executive priority
Treat this as high priority for network infrastructure because a low-privilege account could alter configuration or cause denial of service. Prioritize externally reachable, shared-administration, and critical-routing devices first.
Technical view
CVE-2020-3224 is a command injection issue in the Cisco IOS XE web UI caused by insufficient validation of specific HTTP requests. An authenticated remote attacker with read-only privileges could inject higher-privilege IOS commands. The reported impact is high confidentiality, integrity, and availability risk, with CVSS 3.0 score 8.8.
Likely exposure
Exposure is likely limited to Cisco IOS XE devices affected by the advisory, specifically the bundled source identifies Cisco IOS XE Software 16.11.1. Risk requires the web UI to be available and an attacker to possess read-only authenticated access.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. Exploitation requires authentication, but the required privilege level is low, so compromised or over-broad read-only accounts could become meaningful risk.
Researcher notes
Evidence supports authenticated remote command injection via the IOS XE web UI, mapped to CWE-77. The provided bundle does not include exploit proof, active exploitation, or specific fixed versions. Use the Cisco advisory as the authority for affected releases and remediation detail.
Mitigation direction
- Review Cisco advisory for fixed releases, workarounds, and affected release details.
- Inventory Cisco IOS XE devices and identify systems running 16.11.1.
- Limit web UI access to trusted management networks where operationally feasible.
- Review and reduce unnecessary read-only administrative accounts.
- Prioritize remediation for internet-reachable or broadly reachable management interfaces.
Validation and detection
- Confirm Cisco IOS XE version on managed devices.
- Verify whether the IOS XE web UI is enabled and reachable.
- Check whether read-only users exist and who can authenticate remotely.
- Review device configuration history for unexpected changes.
- Confirm remediation status against Cisco advisory 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-77: 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-2020-3224 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
- High
- CVSS
- 8.8 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:L/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:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
8.8HighVector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- 20200603 Cisco IOS XE Software Web UI 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 a Command ('Command Injection')
Improper Neutralization of Special Elements used in a Command ('Command Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.