Security readout for executives and security teams
Plain-English summary
CVE-2019-13690 is a ChromeOS privilege escalation issue in Google Chrome before 75.0.3770.80. A remote attacker could trigger OS-level privilege escalation through a malicious file if a user interacted with it. The business concern is compromise of outdated ChromeOS devices, not broad exposure on fully updated fleets.
Executive priority
Treat this as urgent only where outdated ChromeOS devices still exist. Fully updated fleets should have lower immediate business risk, but stale or unmanaged devices deserve rapid inventory and remediation.
Technical view
The issue is an inappropriate OS implementation in Google Chrome on ChromeOS, mapped to CWE-269. CVSS 3.1 is 9.6 with network attack vector, low complexity, no privileges required, required user interaction, changed scope, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is most likely limited to ChromeOS systems running Google Chrome versions prior to 75.0.3770.80. The source bundle does not identify other affected products or platforms.
Exploitation context
The supplied sources say exploitation requires a malicious file and user interaction. CISA KEV is false in the bundle, and no cited source here confirms active exploitation.
Researcher notes
Evidence is sparse in the provided bundle. The public description supports ChromeOS-only OS-level privilege escalation via malicious file, with user interaction required. The Chromium bug references may contain access restrictions, so do not assume exploit details, affected internals, or additional fixes beyond the stated version boundary.
Mitigation direction
- Update affected ChromeOS systems to Chrome 75.0.3770.80 or later where applicable.
- Confirm managed ChromeOS devices are receiving vendor updates.
- Check Google or Chromium guidance for any additional vendor-specific remediation.
- Prioritize devices that can receive untrusted files from external sources.
Validation and detection
- Inventory ChromeOS devices and record Chrome version levels.
- Flag any ChromeOS device running Chrome earlier than 75.0.3770.80.
- Confirm no unsupported or unmanaged ChromeOS devices remain in production use.
- Review endpoint telemetry for unusual activity on historically vulnerable devices.
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-269: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. 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-2019-13690 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
- Critical
- CVSS
- 9.6 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/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:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H2.86Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.6CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://bugs.chromium.org/p/chromium/issues/detail?id=960111CVE reference
- https://crbug.com/960111CVE reference
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.