CVE-2019-16386

Name: CVE-2019-16386
Creator: NVD / NIST
Published: 2019-11-26T18:15:15.383+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.78%

Last modified Jun 17, 2026

CVE-2019-16386 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. PEGA Platform 7.x and 8.x is vulnerable to Information disclosure via a direct prweb/sso/random_token/!STANDARD?pyActivity=GetWebInfo&target=popup&pzHarnessID=random_harness_id request to get database schema information while using a low-privilege account. NOTE: The vendor states that this vulnerability was discovered using an administrator account and they are normal administrator functions. EPSS estimates a 0.78% chance of exploitation in the next 30 days.

Description

PEGA Platform 7.x and 8.x is vulnerable to Information disclosure via a direct prweb/sso/random_token/!STANDARD?pyActivity=GetWebInfo&target=popup&pzHarnessID=random_harness_id request to get database schema information while using a low-privilege account. 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

Metrics

CVSS 3.1

4.3/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

0.78%

51.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-425

Affected Software

Vendor	Product	Versions
Pega	Pega Platform	>= 7.1.0, <= 7.4.0
Pega	Pega Platform	>= 8.1.0, <= 8.3.1

References

https://blog.cybercastrum.com/2019/11/25/cve-2019-16386/Exploit, Third Party Advisory
https://blog.cybercastrum.com/2019/11/25/cve-2019-16386/Exploit, Third Party Advisory

Timeline

Published: Nov 26, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-16386?

How severe is CVE-2019-16386?

CVE-2019-16386 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.78% probability of exploitation in the next 30 days.

How do I fix CVE-2019-16386?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-16386?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST