Security readout for executives and security teams
Plain-English summary
This is a local privilege-escalation issue in Adobe Genuine Service 6.6 and earlier. Someone already holding administrator rights on a machine could abuse unsafe search-path behavior to run planted binaries as SYSTEM, but exploitation also requires user interaction. It is not a remote break-in issue.
Executive priority
Treat as a moderate endpoint hardening item. It is unlikely to be the first entry point, but it can increase impact after a local compromise on machines running vulnerable Adobe Genuine Service.
Technical view
CVE-2020-9667 is a CWE-427 uncontrolled search path element flaw in AGSService.exe. The published CVSS 3.1 score is 6.5 with AV:L/PR:H/UI:R. Successful exploitation could provide SYSTEM-level confidentiality, integrity, and availability impact from a local authenticated context.
Likely exposure
Exposure is limited to endpoints running Adobe Genuine Service version 6.6 or earlier. The bundle also contains inconsistent product metadata naming Adobe GoCart, so validate exposure by component and service name rather than product label alone.
Exploitation context
The source bundle does not identify active exploitation, and KEV is false. An attacker needs local access, administrator privileges, and user interaction. The business risk is mainly post-compromise privilege escalation on already-administered endpoints.
Researcher notes
Evidence supports local privilege escalation through uncontrolled search path behavior in AGSService.exe. The source bundle does not provide exploit details, active exploitation evidence, or complete remediation specifics beyond the Adobe advisory reference.
Mitigation direction
- Review Adobe APSB20-42 and apply the vendor-provided update or guidance.
- Inventory endpoints for Adobe Genuine Service and AGSService.exe.
- Restrict local administrator rights on systems where Adobe Genuine Service is installed.
- Prioritize remediation on shared workstations and high-value user endpoints.
Validation and detection
- Confirm whether Adobe Genuine Service version 6.6 or earlier is present.
- Verify AGSService.exe version and installation path against Adobe guidance.
- Review local administrator membership on affected endpoints.
- Check endpoint telemetry for unusual AGSService.exe launches or child processes.
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-427: 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-2020-9667 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
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:H/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.
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:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H0.65.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://helpx.adobe.com/security/products/integrity_service/apsb20-42.htmlCVE reference · x_refsource_MISC
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.
Uncontrolled Search Path Element
Uncontrolled Search Path Element represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.