Security readout for executives and security teams
Plain-English summary
This flaw lets someone with only read-only Web UI access on affected Cisco IOS XE act like an administrator. That could allow command execution or configuration changes on network infrastructure. The source bundle does not show confirmed exploitation, but the impact is high because compromised device administration can affect confidentiality, integrity, and availability.
Executive priority
Treat as high priority for internet-facing or broadly reachable network management interfaces. A low-privilege account could become administrative control over network devices, creating operational and security risk.
Technical view
CVE-2020-3229 is an RBAC failure in Cisco IOS XE Web Management Software. A remote authenticated attacker with read-only privileges could send a modified HTTP request and have the administration GUI process actions as an Admin user. The listed CVSS v3.0 score is 8.8 with low attack complexity and no user interaction.
Likely exposure
Exposure is most relevant where Cisco IOS XE Web Management Software is enabled and read-only user accounts can authenticate. The bundle lists Cisco IOS XE Software 16.2.2 as affected; broader version impact must be confirmed from Cisco guidance.
Exploitation context
The source bundle states an authenticated remote attacker could exploit this by sending a modified HTTP request. It does not cite public exploitation, and KEV is false, so active exploitation should not be assumed from these sources.
Researcher notes
Evidence is limited to the CVE description, CVSS data, and Cisco advisory reference. Do not infer exploit maturity or exact fixed versions from this bundle alone. Focus validation on Web UI enablement, authenticated read-only access, and Cisco release applicability.
Mitigation direction
- Check Cisco advisory for affected releases, fixed software, and documented workarounds.
- Prioritize Cisco-provided remediation after confirming the correct IOS XE release path.
- Review read-only Web UI accounts and remove access that is no longer needed.
- Restrict Web Management access according to existing management-plane security policy.
Validation and detection
- Inventory Cisco IOS XE devices running Web Management Software.
- Confirm whether any devices match Cisco IOS XE Software 16.2.2 or Cisco-listed affected releases.
- Identify read-only accounts with Web UI access to affected devices.
- Verify remediation status against Cisco advisory guidance before closure.
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-264: Exact CWE lookup
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Open ATT&CK lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2020-3229 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 Privilege Escalation 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.
Permissions, Privileges, and Access Controls
Permissions, Privileges, and Access Controls represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.