CVE-2019-5631
CVE-2019-5631 is a high-severity vulnerability in Rapid7 Insightappsec 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-426.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v2: 9.3
- EPSS exploit prediction: 1% (60th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-426
- Affected product: Rapid7 Insightappsec
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2019-5631?
- 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.
- How severe is CVE-2019-5631?
- CVE-2019-5631 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2019-5631 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-5631?
- CVE-2019-5631 affects Rapid7 Insightappsec. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-5631?
- 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-2019-5631 published?
- CVE-2019-5631 was published on 2019-08-19 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:rapid7:insightappsec:*:*:*:*:*:*:*:*
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