Security readout for executives and security teams
Plain-English summary
CVE-2019-16003 is an information disclosure issue in Cisco UCS Director's web management interface. A remote unauthenticated attacker could obtain system log files, but only if an administrator had previously generated those logs. The known impact is limited confidentiality exposure, not system takeover or service disruption.
Executive priority
Handle as a targeted confidentiality risk. Prioritize internet-exposed or broadly reachable UCS Director systems, especially where logs may contain sensitive infrastructure details. It is not presented as a critical takeover issue, but exposed management logs can still aid follow-on attacks.
Technical view
The flaw is an authentication logic weakness in Cisco UCS Director web UI, mapped to CWE-306. The CVSS 3.0 score is 4.3 with network attack vector and no privileges required. Successful exploitation allows downloading previously generated system log files; affected versions are not specified in the bundle.
Likely exposure
Organizations running Cisco UCS Director with its web-based management interface reachable from untrusted networks have the main exposure. Risk depends on whether administrator-generated system logs exist and what sensitive operational details those logs contain.
Exploitation context
The bundle does not show CISA KEV listing or cited evidence of active exploitation. The described attack is remote and unauthenticated, but the impact is limited to log file disclosure under the stated condition that logs were previously generated by an administrator.
Researcher notes
Evidence is limited to the CVE record and Cisco advisory reference in the bundle. The product versions and fixed releases are not included here, so validation should anchor on Cisco's advisory. Avoid assuming broader Cisco UCS products are affected.
Mitigation direction
- Review Cisco's advisory for affected and fixed release guidance.
- Restrict UCS Director management access to trusted administrative networks.
- Audit whether administrator-generated log files are present on affected systems.
- Treat exposed logs as potentially sensitive operational data.
- Monitor vendor guidance for any updated remediation details.
Validation and detection
- Inventory Cisco UCS Director deployments and management interface exposure.
- Confirm product versions against Cisco's advisory.
- Check whether system log files were previously generated by administrators.
- Review access logs for unusual web interface requests.
- Assess disclosed logs for credentials, tokens, or internal topology details.
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-306: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. 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-2019-16003 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
- 4.3 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/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:N/UI:R/S:U/C:L/I:N/A:N2.81.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
4.3MediumVector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- 20200108 Cisco UCS Director Information Disclosure 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.
Missing Authentication for Critical Function
Missing Authentication for Critical Function represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
