6.6

CVE-2021-27653: pega systems pega infinity Improper Access Control

Modified
Published 01-04-2021Last modified 16-09-2024

Vulnerability summary

CVE-2021-27653 is a medium (CVSS 6.6) Improper Access Control vulnerability in pega systems pega infinity. EPSS estimates a 1.13% chance of exploitation in the next 30 days, higher than 66.3% of scored vulnerabilities. 1 public exploit is recorded.

Priority
Routine

Not severe (CVSS 6.6, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
6.6/10
010
Medium · v3.1 (CVE.org)
EPSS score
1.13%
0%100%
Low · +0.04 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1reference

Timeline

  1. 01-04-2021
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

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 metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.13%

Chance of exploitation in the next 30 days

Percentile

66%

Versus all other CVEs

30-day change

Increase +0.04 pp

From 1.09% on 05-10-2026

05-10-202604-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (robertwillishacking.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, administrative account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Pega1 product
Pega systems1 product

2 vendors · 2 products

References

2 links