Security readout for executives and security teams
Plain-English summary
CVE-2020-3214 is a Cisco IOS XE privilege escalation issue. An already authenticated local attacker with high privileges could become root-level and load malicious software onto an affected device. This is serious for network infrastructure, but the source bundle does not show remote unauthenticated exploitation or active exploitation.
Executive priority
Treat this as a moderate-priority infrastructure risk. It is not evidenced as actively exploited, but successful abuse could give root-level control of network devices. Prioritize affected device identification and vendor-guided upgrades.
Technical view
The issue is caused by insufficient validation of user-supplied content in Cisco IOS XE Software. The supplied CVSS v3.0 score is 6.7 with local attack vector and high privileges required, but high confidentiality, integrity, and availability impact after successful exploitation.
Likely exposure
Exposure is most likely in environments running Cisco IOS XE Software 16.11.1, the only affected version named in the bundle. Risk is higher where many users have local or privileged access to network devices.
Exploitation context
The bundle marks this CVE as not in KEV and provides no evidence of active exploitation. Exploitation requires authenticated local access with high privileges, then may allow escalation to root-level privileges and malicious software loading.
Researcher notes
The source data supports Cisco IOS XE 16.11.1, CWE-264, and CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. Affected-version breadth and fixed-release details are not present in the bundle; rely on Cisco’s advisory for those specifics.
Mitigation direction
- Check Cisco’s advisory for fixed releases and upgrade guidance.
- Inventory Cisco IOS XE devices and identify version 16.11.1.
- Restrict local and privileged access to affected devices.
- Review device software integrity and unauthorized change indicators.
- Monitor vendor guidance for corrected affected-version details.
Validation and detection
- Confirm device software versions against the Cisco advisory.
- Review accounts with local or privileged device access.
- Check device change history for unauthorized software loading.
- Verify remediation status after applying Cisco guidance.
- Document whether affected devices are reachable by untrusted administrators.
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
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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 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-2020-3214 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
- 6.7 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:L/AC:L/PR:H/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:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H0.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
6.7MediumVector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- 20200603 Cisco IOS XE Software 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.