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TI-2021-09102 Aliases CVE-2021-27653GHSA-gcxv-8mvq-5gwx

Improper access control in Pega Infinity

Priority LOW 31CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
High
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-284.

Summary

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

Why it matters now

EPSS 0.01125 66th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Pega Infinity (Pega Systems): 8.5.3

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
Pega SystemsPega Infinity7.4.0 to before 8.5.38.5.3Patch availableCNA
  • Pega Infinity VendorPega Systems Affected 7.4.0 to before 8.5.3 Fixed in 8.5.3 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:pega:infinity:*:*:*:*:*:*:*:*7.4.0 to before 8.5.3VulnerablePegasystems
  • cpe:2.3:a:pega:infinity:*:*:*:*:*:*:*:* Versions 7.4.0 to before 8.5.3 Vulnerable ·Pegasystems

Remediation

  • Fix · CNA Pega Infinity (Pega Systems) Fixed in 8.5.3

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-27653
  2. 2026-10-03 Alias added: GHSA-gcxv-8mvq-5gwx

References

  • TI-2021-09101 Improper authentication in Pegasystems Pega Infinity CVSS 3.1CRITICAL 9.8
  • TI-2022-08033 Deserialization of untrusted data in Pegasystems Pega Infinity CVSS 3.1CRITICAL 9.8
  • TI-2022-08034 Password authentication bypass vulnerability for local accounts can be used to bypass local authentication checks. CVSS 3.1CRITICAL 9.8
  • TI-2024-09357 Pega Platform versions 6.x to Infinity 24.1.1 are affected by an issue with Improper Control of Generation of Code CVSS 3.1CRITICAL 9.8
  • TI-2021-09103 Forgotten password reset functionality for local accounts can be used to bypass local authentication checks. CVSS 3.1HIGH 7.8
  • TI-2024-09930 Pega Platform versions 8.1 to Infinity 24.2.0 are affected by an XSS issue with search. CVSS 3.1MEDIUM 5.9
See all 9 →

Sources