Local Authentication Bypass in Pega Infinity by Pega Systems
CVE-2021-27651

9.8CRITICAL

Key Information:

Vendor

Pegasystems

Status
Pega Infinity
Vendor
CVE Published:
29 April 2021

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 92%

What is CVE-2021-27651?

Versions 8.2.1 to 8.5.2 of Pega Infinity are susceptible to a vulnerability where the password reset functionality for local accounts may allow attackers to bypass local authentication checks, potentially granting unauthorized access to sensitive information.

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Affected Version(s)

Pega Infinity 8.2.1

Pega Infinity < 8.5.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-27651-PoC
Created by samwcyo

CVE-2021-27651
Created by orangmuda

CVE-2021-27651
Created by Vulnmachines

References

https://collaborate.pega.com/discussion/pega-security-adv...
x_refsource_CONFIRM

EPSS Score

92% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Samuel Curry (@samwcyo), Brett Buerhaus (@bbuerhaus), Maik Robert (@xEHLE_), Justin Rhinehart (@sshell_)
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