Security readout for executives and security teams
Plain-English summary
CVE-2023-25396 is a local privilege escalation issue in Caphyon Advanced Installer 20.0 and below. A low-privileged attacker with local access could use MSI repair behavior to access or manipulate system files, potentially gaining broader control of an affected workstation or build host.
Executive priority
Treat this as a high-priority endpoint and build-system hygiene issue. It is not currently documented as actively exploited in the supplied sources, but affected tooling on privileged build machines can create outsized operational risk.
Technical view
The CVE describes privilege escalation through MSI repair functionality in Advanced Installer 20.0 and earlier. CVSS 3.1 is 7.8: local attack vector, low complexity, low privileges required, no user interaction, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is most likely on developer workstations, packaging systems, or build machines where Caphyon Advanced Installer 20.0 or older is installed. The supplied CPE data is incomplete, so inventory confirmation is required.
Exploitation context
The source bundle does not show CISA KEV listing or any cited evidence of active exploitation. The risk is still material because the CVSS vector indicates local exploitation with low privileges and no user interaction.
Researcher notes
Evidence is limited to the CVE description, CVSS vector, and a vendor release-note reference. The affected product/version statement is clear, but CPE and CWE data are absent, and the bundle does not provide exploit details or a confirmed fixed-version statement.
Mitigation direction
- Inventory hosts running Caphyon Advanced Installer and record installed versions.
- Prioritize systems running Advanced Installer 20.0 or below.
- Review Caphyon Advanced Installer 20.1 release notes and current vendor guidance.
- Upgrade or remove affected installations according to vendor guidance.
- Restrict local access to build and packaging hosts.
Validation and detection
- Confirm whether Advanced Installer is installed on developer and build systems.
- Verify installed versions are not 20.0 or below.
- Check vendor release notes for the applicable fixed or recommended version.
- Review endpoint telemetry for unusual system file manipulation by low-privileged users.
- Confirm local user access is limited on packaging and build hosts.
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.
Privilege 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-2023-25396 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
- 7.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AC:L/AV:L/A:H/C:H/I:H/PR:L/S:U/UI: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:3.1/AC:L/AV:L/A:H/C:H/I:H/PR:L/S:U/UI:N1.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.8HighVector: CVSS:3.1/AC:L/AV:L/A:H/C:H/I:H/PR:L/S:U/UI:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.advancedinstaller.com/release-20.1.htmlCVE 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.