Infinity
CVE-2021-27651
CRITICAL
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Authentication mechanism validation
MITRE ATT&CK
2 techniques across 2 tactics: Defense Evasion, Initial Access The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. |
| Exploit ScenarioDerived | A remote attacker could bypass authentication mechanisms to gain unauthorized access by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAI
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. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement multi-factor authentication, enforce strong password policies, use proven authentication frameworks.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Improper Authentication (CWE-287), which allows attackers to bypass authentication mechanisms to gain unauthorized access. 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. Affected products include: Pega Infinity. Version information: through 8.5.2.
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
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.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
Affected Products (CPE)NVD
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Navarino Infinity is prone to session fixation attacks. Rated high severity (CVSS 8.8), this vulnerability is remotely e
Some Navarino Infinity functions, up to version 2.2, placed in the URL can bypass any authentication mechanism leading t
Unauthenticated remote code execution in Pexip Infinity Conferencing Nodes (CVSS 9.8, AV:N/AC:L/PR:N/UI:N) allows an att
Pega Platform versions 6.x to Infinity 24.1.1 are affected by an issue with Improper Control of Generation of Code. Rate
Password authentication bypass vulnerability for local accounts can be used to bypass local authentication checks. Rated
Improper input validation in Pexip Infinity's media implementation allows an unauthenticated remote party to send a craf
Misconfiguration of the Pega Chat Access Group portal in Pega platform 7.4.0 - 8.5.x could lead to unintended data expos
Improper access control in Pexip Infinity's product-internal, inter-node API lets an attacker who already holds a footho
Malformed signaling input delivered to Pexip Infinity deployments running versions before 41.0 can abort the signaling s
Local privilege escalation to root in Pexip Infinity (versions before 38.2, plus 39.0, 39.1, and 40.0) allows an attacke
Remote, unauthenticated denial of service in Pexip Infinity (all releases before 38.2, plus 39.0, 39.1, and 40.0) lets a
GitHub PoC
Exploit-DB