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CVE-2021-27651

Quick assessment

Affected
Pegasystems Pega Infinity
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

PEGA pega infinity是美国PEGA公司的一个应用软件。提供从数字混乱过渡到真正的数字转换。 Pega Infinity 8.2.1版本至8.5.2版本存在授权问题漏洞，该漏洞源于本地帐户的密码重置功能可以用来绕过本地认证检查。

AI Predicted 8.1 Difficulty: Easy EPSS 53.84% · P99

Public Exploits 1

Nuclei · 1 CVE-2021-27651.yaml [template]

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts
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I. Basic Information for CVE-2021-27651

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
PEGA pega infinity 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PEGA pega infinity是美国PEGA公司的一个应用软件。提供从数字混乱过渡到真正的数字转换。 Pega Infinity 8.2.1版本至8.5.2版本存在授权问题漏洞，该漏洞源于本地帐户的密码重置功能可以用来绕过本地认证检查。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Pegasystems Pega Infinity 8.2.1 ~ unspecified -

II. Public POCs for CVE-2021-27651

# POC Description Source Link Shenlong Link
1 RCE for Pega Infinity >= 8.2.1, Pega Infinity <= 8.5.2 https://github.com/samwcyo/CVE-2021-27651-PoC POC Details
2 Pega Infinity Password Reset https://github.com/Vulnmachines/CVE-2021-27651 POC Details
3 bypass all stages of the password reset flow https://github.com/orangmuda/CVE-2021-27651 POC Details
4 Pega Infinity versions 8.2.1 through 8.5.2 contain an authentication bypass vulnerability because the password reset functionality for local accounts can be used to bypass local authentication checks. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-27651.yaml POC Details
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III. Intelligence Information for CVE-2021-27651

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Other References for CVE-2021-27651 (1)

IV. Related Vulnerabilities

Same product: Pega Infinity
Same vendor: Pegasystems
Same weakness: CWE-287

V. Comments for CVE-2021-27651

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