Security readout for executives and security teams
Plain-English summary
Cisco IoT Field Network Director could let a logged-in administrative user retrieve password hashes through the web UI. This is not described as unauthenticated or actively exploited, but exposed hashes can support follow-on credential attacks if an admin account is compromised.
Executive priority
Treat as moderate priority. It is most urgent where IoT-FND administration is broadly reachable, privileged accounts are shared, or admin compromise is suspected. It does not currently justify emergency response based on the provided evidence alone.
Technical view
CVE-2020-26079 is an insufficient credential protection issue in Cisco IoT-FND web UI, mapped to CWE-256. The CVSS 3.0 score is 4.1 with network access, low complexity, high privileges required, no user interaction, changed scope, and low confidentiality impact.
Likely exposure
Exposure is limited to organizations running Cisco IoT Field Network Director. The source bundle does not identify affected version numbers, so teams must compare deployed releases against Cisco guidance.
Exploitation context
The provided sources describe exploitation by an authenticated remote attacker with administrative privileges. KEV status is false, and the bundle provides no cited evidence of active exploitation or public exploit use.
Researcher notes
Key uncertainty is version scope: the bundle lists affected versions as n/a. The issue requires administrative privileges, so validation should focus on product presence, access control, privileged account hygiene, and Cisco advisory status rather than unauthenticated exploit assumptions.
Mitigation direction
- Review Cisco advisory for affected releases and fixed software guidance.
- Restrict IoT-FND administrative web UI access to trusted management networks.
- Audit administrative accounts and remove unnecessary privileged access.
- After vendor remediation, consider password resets for exposed IoT-FND users.
- Monitor logs for unusual administrative access patterns.
Validation and detection
- Confirm whether Cisco IoT-FND is deployed.
- Identify installed IoT-FND versions and compare with Cisco guidance.
- Verify administrative web UI is not broadly reachable.
- Review logs for unexpected administrative sessions.
- Check whether privileged accounts are limited to required personnel.
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-256: 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-2020-26079 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
- 4.1 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N
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:H/UI:N/S:C/C:L/I:N/A:N2.31.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
4.1MediumVector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- 20201118 Cisco IoT Field Network Director Unprotected Storage of Credentials 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.
Plaintext Storage of a Password
Plaintext Storage of a Password represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.