What is CVE-2019-16387?

CVE-2019-16387 is a high-severity vulnerability in Pega Platform, classified under Exposure of Resource to Wrong Sphere. CVSS score: 8.1/10. Published 2019-11-26.

How severe is CVE-2019-16387?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Pega Platform

CVE-2019-16387

PEGA Platform 8.3.0 is vulnerable to a direct prweb/sso/random_token/!STANDARD?pyActivity=Data-Admin-DB-Name.DBSchema_ListDatabases request while using a low-privilege account. (This can perform actions and retrieve data that only an administrator should have access to.) NOTE: The vendor states that this vulnerability was discovered using an administrator account and they are normal administrator functions. Therefore, the claim that the CVE was done with a low privilege account is incorrect

Published 2019-11-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.010 (63.9th percentile), scored 2026-10-26.

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 63.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Pega Platform — versions 8.3

Weakness classification (CWE)

CWE-668 — Exposure of Resource to Wrong Sphere

References

blog.cybercastrum.com/2019/11/25/cve-2019-16387/ (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2019-16387?: CVE-2019-16387 is a high-severity vulnerability in Pega Platform, classified under Exposure of Resource to Wrong Sphere. CVSS score: 8.1/10. Published 2019-11-26.
How severe is CVE-2019-16387?: High severity. CVSS v3 base score is 8.1 out of 10.