What is CVE-2021-27651?

CVE-2021-27651 is a critical-severity vulnerability in Pegasystems Pega Infinity, classified under Improper Authentication. CVSS score: 9.8/10. Published 2021-04-29.

How severe is CVE-2021-27651?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2021-27651 known to be exploited?

22 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Pegasystems Pega Infinity

CVE-2021-27651

In versions 8.2.1 through 8.5.2 of Pega Infinity, the password reset functionality for local accounts can be used to bypass local authentication checks.

Vulnerability class: Broken Authentication

EPSS: 0.910 (99.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C.

Affected products

Pegasystems Pega Infinity — versions 8.2.1, unspecified

Weakness classification (CWE)

CWE-287 — Improper Authentication

Public proof-of-concept exploits

References

collaborate.pega.com/discussion/pega-security-advisory-a21-hotfix-matrix (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2021-27651?: CVE-2021-27651 is a critical-severity vulnerability in Pegasystems Pega Infinity, classified under Improper Authentication. CVSS score: 9.8/10. Published 2021-04-29.
How severe is CVE-2021-27651?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2021-27651 known to be exploited?: 22 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.