Security readout for executives and security teams
Plain-English summary
Cisco IoT Field Network Director has a REST API input validation flaw that could let an authenticated remote attacker reach the product's back-end database. The issue requires valid credentials, but database access can affect confidentiality, integrity, and availability of operational IoT network management data.
Executive priority
Treat this as a moderate-priority infrastructure management risk. It is not described as unauthenticated or actively exploited in the bundle, but compromise could affect sensitive operational database content in Cisco IoT-FND environments.
Technical view
CVE-2020-26075 is a CWE-89 SQL injection issue in Cisco IoT-FND REST API request handling. CVSS v3.0 is 6.3, with network attack vector, low complexity, low privileges required, no user interaction, and low confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to organizations running Cisco IoT Field Network Director. Risk increases where the REST API is reachable from broad networks or where low-privileged authenticated accounts are widely available. The bundle does not identify specific affected versions.
Exploitation context
The vulnerability is remotely reachable but requires authentication. The provided data does not show CISA KEV listing or any cited evidence of active exploitation. Successful exploitation could provide access to the affected device's back-end database.
Researcher notes
Evidence is enough to classify the bug as authenticated REST API SQL injection with database access impact. The bundle lacks affected version ranges, fixed versions, workarounds, proof-of-exploit status, and product configuration details, so remediation must be anchored to Cisco's advisory.
Mitigation direction
- Check Cisco's advisory for affected and fixed IoT-FND releases.
- Apply Cisco-recommended updates or mitigations when available.
- Restrict REST API access to trusted administrative networks.
- Review and minimize IoT-FND user accounts and privileges.
- Monitor database and API logs for unusual authenticated activity.
Validation and detection
- Inventory Cisco IoT-FND deployments and exposed management interfaces.
- Compare deployed versions with Cisco's advisory guidance.
- Confirm REST API access is restricted to approved users and networks.
- Review authentication, API, and database logs for suspicious requests.
- Verify compensating controls cover remote authenticated access paths.
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
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CWE-89: Database access and collection lookup
Injection into data stores can inform collection, data access, and exfiltration detection reviews. 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 lookupDatabase behavior lookup
The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2020-26075 mapping review
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.3 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/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:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L2.83.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
6.3MediumVector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source materials
- CVE List V5 sourceCVE List V5
- 20201118 Cisco IoT Field Network REST API Insufficient Input Validation 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 SQL Command ('SQL Injection')
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.