""ET POLICY Apache HTTP Server 2.4.49 Observed - Vulnerable to CVE-2021-41773""

SID: 2034126

Revision: 2

Class Type: bad-unknown

Metadata: affected_product Apache_HTTP_server, attack_target Web_Server, created_at 2021_10_05, cve CVE_2021_41773, deployment Perimeter, deployment Internet, signature_severity Informational, updated_at 2021_10_05

Reference:

  • cve

  • 2021-41773

Protocol: tcp

Source Network: [$HOME_NET,$HTTP_SERVERS]

Source Port: any

Destination Network: any

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "Server|3a 20|Apache/2.4.49"

Within:

PCRE:

Special Options:

  • http_header

source