Security readout for executives and security teams
Plain-English summary
CVE-2020-3352 affects Cisco Firepower Threat Defense software. A logged-in local user could access undocumented CLI commands and change configuration areas that should not be exposed through the CLI. This is not described as a remote unauthenticated issue, but it matters because FTD devices often protect critical network boundaries.
Executive priority
Treat this as a moderate network-security maintenance item, not an emergency based on provided evidence. Prioritize faster for internet-edge, regulated, or high-trust segmentation environments where FTD configuration integrity is business-critical.
Technical view
The flaw is in Cisco FTD CLI handling and is attributed to undocumented configuration commands, classified as CWE-912. CVSS 3.0 is 5.3 with local attack vector and low privileges required. Successful exploitation may cause limited confidentiality, integrity, and availability impact through unintended configuration changes.
Likely exposure
Exposure is most likely where Cisco FTD is deployed and lower-privileged or shared administrative users can access the local CLI. The source bundle does not provide affected version ranges, so teams must verify exposure against Cisco advisory data.
Exploitation context
The provided sources describe an authenticated local attacker. The CVE is not marked CISA KEV, and the bundle provides no evidence of active exploitation. No exploit steps should be needed for validation; focus on inventory, access review, and vendor advisory comparison.
Researcher notes
Evidence supports a hidden-functionality CLI exposure with authenticated local prerequisites. The bundle lacks fixed-version and workaround detail, so do not infer remediation beyond Cisco guidance. Validation should avoid attempting to expose hidden commands in production systems.
Mitigation direction
- Check Cisco advisory for affected releases and vendor remediation guidance.
- Restrict FTD CLI access to trusted administrative users only.
- Review and reduce shared, stale, or unnecessary device accounts.
- Apply vendor-recommended updates or mitigations through normal change control.
- Monitor FTD configuration changes for unexpected or unauthorized activity.
Validation and detection
- Inventory Cisco FTD deployments and installed software versions.
- Compare versions against Cisco advisory affected-release information.
- Review who has local or CLI access to each FTD device.
- Audit recent FTD configuration changes for unusual activity.
- Confirm remediation status in patch or exception records.
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-912: 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 lookupCVE-2020-3352 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
- 5.3 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:L/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:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L1.83.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
5.3MediumVector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source materials
- CVE List V5 sourceCVE List V5
- 20201021 Cisco Firepower Threat Defense Software Hidden Commands 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.
Hidden Functionality
Hidden Functionality represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.