Security readout for executives and security teams
Plain-English summary
CVE-2023-24491 is a local privilege escalation flaw in Citrix Secure Access client for Windows. A standard user on a vulnerable endpoint could gain NT AUTHORITY\SYSTEM privileges, giving broad control over that machine.
Executive priority
Treat as a high-priority endpoint remediation issue. It is not presented as internet-remote or actively exploited, but it can materially worsen any compromise involving a standard Windows user.
Technical view
The CVE describes CWE-269 improper privilege management in Citrix Secure Access client for Windows. CVSS 3.1 is 7.8: local attack, low complexity, low privileges required, no user interaction, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to Windows endpoints with the vulnerable Citrix Secure Access client installed and accessible to standard user accounts. The supplied bundle does not provide precise affected or fixed version ranges.
Exploitation context
The source bundle supports local authenticated exploitation only. It does not show remote exploitation, public exploit availability, or active exploitation; the CVE is not listed as KEV in the provided data.
Researcher notes
Key unanswered items are exact affected versions, fixed versions, and vendor workaround details. Use the Citrix bulletin as the authority for version validation and remediation decisions.
Mitigation direction
- Inventory Windows endpoints running Citrix Secure Access client.
- Review Citrix CTX561480 for affected and fixed version guidance.
- Apply the vendor-recommended update or workaround where applicable.
- Prioritize VPN user endpoints and systems handling sensitive data.
- Limit local standard-user access on unremediated endpoints.
Validation and detection
- Confirm whether Citrix Secure Access client is installed on Windows endpoints.
- Compare installed client versions against Citrix CTX561480 guidance.
- Verify remediated endpoints no longer run a vulnerable client build.
- Review endpoint telemetry for unexpected privilege escalation indicators.
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 lookupCVE-2023-24491 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/AV:L/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:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H1.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.8HighVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source materials
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.