What is CVE-2024-5661?

CVE-2024-5661 is a medium-severity vulnerability in Citrix Hypervisor. CVSS score: 6.0/10. Published 2024-06-13.

How severe is CVE-2024-5661?

Medium severity. CVSS v3 base score is 6.0 out of 10.

Is CVE-2024-5661 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Citrix Hypervisor

CVE-2024-5661

An issue has been identified in both XenServer 8 and Citrix Hypervisor 8.2 CU1 LTSR which may allow a malicious administrator of a guest VM to cause the host to become slow and/or unresponsive.

Published 2024-06-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.002 (5.8th percentile), scored 2026-10-06.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 5.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Citrix Hypervisor — versions 8, 8.2 CU1 LTSR
Citrix Hypervisor — versions 8.2
Citrix Xenserver — versions 8.2 CU1 LTSR, 8.0, 8

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

support.citrix.com/article/CTX677100/xenserver-and-citrix-hypervisor-security-u… (Vendor Advisory)

Frequently asked questions

What is CVE-2024-5661?: CVE-2024-5661 is a medium-severity vulnerability in Citrix Hypervisor. CVSS score: 6.0/10. Published 2024-06-13.
How severe is CVE-2024-5661?: Medium severity. CVSS v3 base score is 6.0 out of 10.
Is CVE-2024-5661 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.