CVE-2023-24491
CVE-2023-24491 is a high-severity vulnerability in Citrix Secure Access Client with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-269.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- EPSS exploit prediction: 0% (9th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-269
- Affected product: Citrix Secure Access Client
- Published:
- Last modified:
Description
A vulnerability has been discovered in the Citrix Secure Access client for Windows which, if exploited, could allow an attacker with access to an endpoint with Standard User Account that has the vulnerable client installed to escalate their local privileges to that of NT AUTHORITY\SYSTEM.
Frequently asked questions
- What is CVE-2023-24491?
- A vulnerability has been discovered in the Citrix Secure Access client for Windows which, if exploited, could allow an attacker with access to an endpoint with Standard User Account that has the vulnerable client installed to escalate their local privileges to that of NT AUTHORITY\SYSTEM.
- How severe is CVE-2023-24491?
- CVE-2023-24491 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-24491 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-24491?
- CVE-2023-24491 affects Citrix Secure Access Client. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-24491?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2023-24491 published?
- CVE-2023-24491 was published on 2023-07-11 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:citrix:secure_access_client:*:*:*:*:*:*:*:*
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