SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2012-4501

Citrix Cloud.com CloudStack, and Apache CloudStack pre-release, allows remote attackers to make arbitrary API calls by leveraging the system user account, as demonstrated by API calls to delete VMs.

HIGH 10.0EPSS 7.77%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (7.77%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Citrix Cloud.com CloudStack, and Apache CloudStack pre-release, allows remote attackers to make arbitrary API calls by leveraging the system user account, as demonstrated by API calls to delete VMs.

CVSS 2.0
10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS
7.77% probability · 95th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-264
Affected
apache/cloudstack · citrix/cloudstack
Source
secalert@redhat.com
EPSS trend
0%5%10%26 October 2026: 7.77%26 October 202626 October 2026

EPSS 7.8% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.