Security readout for executives and security teams
Plain-English summary
CVE-2017-11292 is a known-exploited Adobe Flash Player flaw that can let malicious Flash content run code on a user’s system after user interaction. Business urgency is highest where Flash remains installed, especially in legacy desktop or kiosk environments.
Executive priority
Treat this as urgent legacy-risk cleanup. Known exploitation plus arbitrary code execution makes remaining Flash installations unacceptable unless there is a documented business exception and compensating control.
Technical view
Adobe Flash Player 27.0.0.159 and earlier has flawed bytecode verification that can let an untrusted value influence array index calculation. The documented impact is type confusion leading to arbitrary code execution. CVSS is 8.8 with network attack vector and required user interaction.
Likely exposure
Exposure is limited to environments where Adobe Flash Player 27.0.0.159 or earlier is still present. Prioritize legacy endpoints, browser plugin inventories, managed desktop images, and unsupported application dependencies that may retain Flash.
Exploitation context
CISA KEV status supports known exploitation. The source bundle does not provide exploit mechanics, exploit maturity details, or current campaign information. Successful exploitation requires user interaction according to the CVSS vector.
Researcher notes
The evidence identifies a bytecode verification flaw causing type confusion and arbitrary code execution. Available bundle data does not name exploit prerequisites beyond user interaction, affected platforms beyond Flash Player, or specific fixed versions.
Mitigation direction
- Identify and remove unsupported or vulnerable Flash Player installations.
- Apply Adobe or operating-system vendor guidance referenced for APSB17-32.
- Block Flash content where removal is not immediately possible.
- Prioritize remediation on internet-facing user workstations and shared terminals.
- Verify endpoint management baselines do not reinstall Flash.
Validation and detection
- Inventory installed Flash Player versions across managed endpoints.
- Confirm no version 27.0.0.159 or earlier remains installed.
- Review browser plugin and enterprise software dependency records.
- Check vulnerability scanner findings against CVE-2017-11292.
- Document exceptions and compensating controls for any retained Flash dependency.
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-843: Exact CWE lookup
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Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2017-11292 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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.
CISA KEV status
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:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://helpx.adobe.com/security/products/flash-player/apsb17-32.htmlCVE reference · x_refsource_CONFIRM
- GLSA-201710-22CVE reference · vendor-advisory, x_refsource_GENTOO
- RHSA-2017:2899CVE reference · vendor-advisory, x_refsource_REDHAT
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-11292CVE reference · government-resource
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.
Access of Resource Using Incompatible Type ('Type Confusion')
Access of Resource Using Incompatible Type ('Type Confusion') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.