Security readout for executives and security teams
Plain-English summary
CVE-2023-24492 affects the Citrix Secure Access client for Ubuntu. A remote attacker could get code execution if a user opens a maliciously crafted link and accepts additional prompts. The severity is critical because successful exploitation could compromise confidentiality, integrity, and availability on the affected client system.
Executive priority
Treat this as urgent for organizations using Citrix Secure Access on Ubuntu. The issue can lead to remote code execution, but available evidence requires user interaction and does not confirm active exploitation.
Technical view
The CVE describes a CWE-94 code injection issue in Citrix Secure Access client for Ubuntu with CVSS 3.1 score 9.6. The attack is network-reachable and requires user interaction, with no privileges required. The supplied metadata does not identify fixed versions or concrete mitigations.
Likely exposure
Exposure is limited to environments where Citrix Secure Access client for Ubuntu is installed. The provided affected-version metadata is sparse, so asset inventory and vendor bulletin review are needed to determine exact vulnerable versions.
Exploitation context
No CISA KEV listing is provided, and the source bundle does not cite active exploitation. Exploitation requires a victim to open an attacker-crafted link and accept further prompts, which makes phishing or social engineering a plausible delivery path.
Researcher notes
The key evidence is the CVE description, CVSS vector, CWE-94 classification, and Citrix advisory reference. The bundle does not provide exploit details, affected version granularity beyond sparse metadata, or named remediation steps, so conclusions should stay tied to vendor guidance.
Mitigation direction
- Review the Citrix advisory for fixed versions or official mitigation guidance.
- Inventory Ubuntu endpoints for Citrix Secure Access client installations.
- Prioritize upgrade or removal where the client is present and business-critical.
- Warn users not to accept unexpected prompts from links involving VPN access.
- Monitor endpoint telemetry for suspicious child processes from the client.
Validation and detection
- Confirm whether Citrix Secure Access client for Ubuntu is installed on managed endpoints.
- Record installed client versions and compare against Citrix guidance.
- Check EDR logs for unusual process execution linked to the client.
- Verify user-awareness controls cover malicious links and prompt acceptance.
- Track remediation status for all Ubuntu systems using this client.
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-94: Code execution behavior lookup
Code execution and unsafe deserialization weaknesses often justify reviewing execution behavior and process telemetry. 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-2023-24492 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
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.
Improper Control of Generation of Code ('Code Injection')
Improper Control of Generation of Code ('Code Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.