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feat: add detection for CVE-2025-20333 and CVE-2025-20362#5662

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swachchhanda000 merged 9 commits intoSigmaHQ:masterfrom
swachchhanda000:cisco_cve_2025_20333
Nov 21, 2025
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feat: add detection for CVE-2025-20333 and CVE-2025-20362#5662
swachchhanda000 merged 9 commits intoSigmaHQ:masterfrom
swachchhanda000:cisco_cve_2025_20333

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@swachchhanda000 swachchhanda000 commented Sep 27, 2025

Summary of the Pull Request

Changelog

new: Cisco ASA/FP SSL VPN Exploit (CVE-2025-20333 / CVE-2025-20362) - Proxy

Example Log Event

Fixed Issues

SigmaHQ Rule Creation Conventions

  • If your PR adds new rules, please consider following and applying these conventions

@phantinuss phantinuss requested a review from Copilot September 29, 2025 06:59
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Pull Request Overview

This PR adds detection for two critical Cisco ASA/FP SSL VPN exploits (CVE-2025-20333 and CVE-2025-20362) by implementing a Sigma rule that identifies suspicious web requests to specific exploit paths.

  • Adds a new Sigma detection rule for Cisco ASA/FP web service exploitation
  • Targets specific URI patterns associated with version fingerprinting and exploitation attempts
  • Maps to MITRE ATT&CK technique T1190 (Exploit Public-Facing Application)

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Created a new PR to handle the failing check.
SigmaHQ/pySigma-validators-sigmaHQ#54

@swachchhanda000 swachchhanda000 merged commit 64ba98e into SigmaHQ:master Nov 21, 2025
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5 participants