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Apache - Apache 2.4.49 flaw CVE-2021-41773

View on GitHub ↗Original file ↗

Description

'Detects using Apache 2.4.49 flaw CVE-2021-41773'
Rule type
Scheduled
Version
1.0.3
Declared status
Available
Query frequency
10m
Query period
10m
Trigger
gt 0

Declared MITRE coverage

InitialAccessLateralMovementT1190T1133T1210

Declared sources

Metadata from the source file. No dependencies inferred from KQL.

Connectors

CustomLogsAma

KQL query

Original query, unchanged.

ApacheHTTPServer
| where HttpRequestMethod =~ "GET"
| where UrlOriginal has_all ("/cgi-bin/", "/%2e%2e/")
| where HttpStatusCode == "200" 
| extend UrlCustomEntity = UrlOriginal

Declared entities

URL

Related content

Links established from declared identifiers and solution manifests.

Solutions1

Source provenance

GitHub

Displayed values come from files in Azure/Azure-Sentinel. They describe the published template, not your workspace configuration.

Source identifier
767f9dc4-3b01-11ec-8d3d-0242ac130003
Additional source files 2Solutions/ApacheHTTPServer/Analytic Rules/ApacheCVE-2021-41773.yamlsource ↗Solutions/ApacheHTTPServer/Data/Solution_Apache Http Server.jsonsolution-membership ↗
GSTEP / CATALOG TRACKING

Added to catalog : 16 Sept 2026 · 05:49 UTC
Last change observed : 16 Sept 2026 · 05:49 UTC

GSTEP sync dates, separate from the source content’s publication dates.