Security readout for executives and security teams
Plain-English summary
Cisco IMC management software had a flaw that could let a logged-in user with read-only access become an administrator. This matters because IMC manages server hardware and sensitive settings. The public bundle does not identify specific affected versions or confirmed exploitation.
Executive priority
Treat as high priority for infrastructure teams managing Cisco UCS environments. The risk is privilege escalation from low-privileged authenticated access to administrator control of server management functions.
Technical view
The Cisco IMC web server improperly handled substring comparison operations. An authenticated remote attacker with low privileges could send a crafted HTTP request, set sensitive configuration values, and gain administrator privileges. CVSS 3.0 is 8.8: network reachable, low complexity, low privileges required, no user interaction.
Likely exposure
Organizations using Cisco Unified Computing System management software with Cisco IMC web access may be exposed, especially where read-only accounts exist or management interfaces are broadly reachable. The bundle lists affected versions as unspecified.
Exploitation context
No source in the bundle confirms active exploitation, and the CVE is not marked KEV. Exploitation requires authentication, but only read-only privileges are needed. The bundle does not cite public exploit availability.
Researcher notes
Evidence supports CWE-285 style authorization failure through improper substring comparisons in Cisco IMC web handling. Version and remediation specifics are not present in the bundle, so validation should pivot to the Cisco advisory and local asset data.
Mitigation direction
- Review Cisco advisory for affected releases and fixed software guidance.
- Apply Cisco-recommended updates or workarounds where applicable.
- Restrict Cisco IMC web access to trusted management networks.
- Review read-only IMC account necessity and permissions.
- Monitor IMC configuration changes and privilege changes.
Validation and detection
- Inventory Cisco IMC and UCS management software deployments.
- Compare deployed versions against Cisco advisory guidance.
- Confirm IMC web interfaces are not broadly exposed.
- Review accounts with read-only IMC access.
- Check logs for unexpected configuration or privilege changes.
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-285: 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-2019-1907 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
- High
- CVSS
- 8.8 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:L/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:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
8.8HighVector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- 20190821 Cisco Integrated Management Controller Substring Comparison 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.