""ET EXPLOIT Possible Citrix Application Delivery Controller Arbitrary Code Execution Attempt (CVE-2019-19781) M2""
SID: 2029255
Revision: 3
Class Type: attempted-admin
Metadata: affected_product Web_Server_Applications, attack_target Server, created_at 2020_01_13, cve CVE_2019_19781, deployment Perimeter, signature_severity Critical, updated_at 2020_03_25
Reference:
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cve
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2019-19781
Protocol: tcp
Source Network: any
Source Port: any
Destination Network: $HTTP_SERVERS
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
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Value: "/vpns/"
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Value: "|0d 0a|NSC_USER|3a 20|"
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Value: "|0d 0a|NSC_NONCE|3a 20|"
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Value: "/../"
Within:
PCRE:
Special Options:
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http_uri
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fast_pattern
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http_header
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nocase
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http_header
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nocase
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http_header