How severe is CVE-2019-16387?

CVE-2019-16387 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2019-16387 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-2019-16387?

CVE-2019-16387 affects Pega Pega Platform. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-16387?

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-2019-16387 published?

CVE-2019-16387 was published on 2019-11-26 and last updated on 2026-06-17.

CVE-2019-16387

CVE-2019-16387 is a high-severity vulnerability in Pega Pega Platform with a CVSS 3.x base score of 8.1. 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-668.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 5.5
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-668
Affected product: Pega Pega Platform
Published: 2019-11-26
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is 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
How severe is CVE-2019-16387?: CVE-2019-16387 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2019-16387 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-2019-16387?: CVE-2019-16387 affects Pega Pega Platform. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-16387?: 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-2019-16387 published?: CVE-2019-16387 was published on 2019-11-26 and last updated on 2026-06-17.

References

https://blog.cybercastrum.com/2019/11/25/cve-2019-16387/

Affected products (1)

cpe:2.3:a:pega:pega_platform:8.3:*:*:*:*:*:*:*

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