SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-15860

Parallels Remote Application Server (RAS) 17.1.1 has a Business Logic Error causing remote code execution.

CRITICAL 9.9EPSS 4.01%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (4.01%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Parallels Remote Application Server (RAS) 17.1.1 has a Business Logic Error causing remote code execution. It allows an authenticated user to execute any application in the backend operating system through the web application, despite the affected application not being published. In addition, it was discovered that it is possible to access any host in the internal domain, even if it has no published applications or the mentioned host is no longer associated with that server farm.

CVSS 3.1
9.9 CRITICALCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS
4.01% probability · 90th percentile
CISA KEV
Not listed
Affected
parallels/remote application server
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.