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Vulnerability record · CVE-2021-27653 · published 1 April 2021

CVE-2021-27653: Pega infinity improper access control vulnerability

Pega · Infinity

Misconfiguration of the Pega Chat Access Group portal in Pega platform 7.4.0 - 8.5.x could lead to unintended data exposure.

4.9 CVSS 3.1 Medium EPSS 1.1% · top 36.1% CWE-284 · Improper access control
4.9CVSS 3.1 base score, v2 4.0
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Misconfiguration of the Pega Chat Access Group portal in Pega platform 7.4.0 - 8.5.x could lead to unintended data exposure.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://collaborate.pega.com/discussion/pega-security-advisory-%E2%80%93-b21 Vendor Advisory
https://robertwillishacking.com/census-vulnerability-exposes-10k-oauth-tokens-thousands-of-user-records/ ExploitThird Party Advisory
https://collaborate.pega.com/discussion/pega-security-advisory-%E2%80%93-b21 Vendor Advisory
https://robertwillishacking.com/census-vulnerability-exposes-10k-oauth-tokens-thousands-of-user-records/ ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2024-10094Pega infinity code injection vulnerabilityPega Platform versions 6.x to Infinity 24.1.1 are affected by an issue with Improper Control of Generation of CodeEPSS 0.48%9.8CVE-2022-24083Pega infinity improper authorization vulnerabilityPassword authentication bypass vulnerability for local accounts can be used to bypass local authentication checks.EPSS 0.91%9.8CVE-2022-24082Pega infinity deserialization of untrusted data vulnerabilityIf an on-premise installation of the Pega Platform is configured with the port for the JMX interface exposed to the Internet and port filtering is no…EPSS 12%9.8CVE-2021-27651Pega Infinity password reset bypasses local authenticationPega Infinity versions 8.2.1 through 8.5.2 contain an improper authentication flaw in the password reset function for local accounts. The reset flow …EPSS 54%analysed7.8CVE-2021-27654Pega infinity weak password recovery vulnerabilityForgotten password reset functionality for local accounts can be used to bypass local authentication checks.EPSS 0.60%4.8CVE-2024-10716Pega infinity cross-site scripting vulnerabilityPega Platform versions 8.1 to Infinity 24.2.0 are affected by an XSS issue with search.EPSS 0.22%4.8CVE-2024-6702Pega infinity injection vulnerabilityPega Platform versions 8.1 to Infinity 24.1.2 are affected by an HTML Injection issue with Stage.EPSS 0.26%4.8CVE-2024-6700Pega infinity cross-site scripting vulnerabilityPega Platform versions 8.1 to Infinity 24.1.2 are affected by an XSS issue with App name.EPSS 0.26%

Source: NIST National Vulnerability Database (record CVE-2021-27653), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.