SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-5631

The Rapid7 InsightAppSec broker suffers from a DLL injection vulnerability in the 'prunsrv.exe' component of the product.

HIGH 7.8EPSS 1.06%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.06%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

The Rapid7 InsightAppSec broker suffers from a DLL injection vulnerability in the 'prunsrv.exe' component of the product. If exploited, a local user of the system (who must already be authenticated to the operating system) can elevate their privileges with this vulnerability to the privilege level of InsightAppSec (usually, SYSTEM). This issue affects version 2019.06.24 and prior versions of the product.

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
1.06% probability · 64th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-427, CWE-426
Affected
rapid7/insightappsec
Source
cve@rapid7.com
EPSS trend
0%3%5%27 October 2026: 1.06%27 October 202627 October 2026

EPSS 1.1% since 27 October 2026; no change recorded yet. 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.