How severe is CVE-2019-16388?

CVE-2019-16388 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2019-16388 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-16388?

CVE-2019-16388 affects Pega Pega Platform. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-16388?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-16388 published?

CVE-2019-16388 was published on 2019-11-26 and last updated on 2026-06-17.

CVE-2019-16388

CVE-2019-16388 is a medium-severity vulnerability in Pega Pega Platform with a CVSS 3.x base score of 4.3. 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-425.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.0
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-425
Affected product: Pega Pega Platform
Published: 2019-11-26
Last modified: 2026-06-17

Description

PEGA Platform 8.3.0 is vulnerable to Information disclosure via a direct prweb/sso/random_token/!STANDARD?pyStream=MyAlerts request to get Audit Log 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

Frequently asked questions

What is CVE-2019-16388?: PEGA Platform 8.3.0 is vulnerable to Information disclosure via a direct prweb/sso/random_token/!STANDARD?pyStream=MyAlerts request to get Audit Log 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
How severe is CVE-2019-16388?: CVE-2019-16388 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2019-16388 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-16388?: CVE-2019-16388 affects Pega Pega Platform. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-16388?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-16388 published?: CVE-2019-16388 was published on 2019-11-26 and last updated on 2026-06-17.

References

https://blog.cybercastrum.com/2019/11/25/cve-2019-16388/

Affected products (1)

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

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