ET EXPLOIT Cisco Smart Software Manager On-Prem (SSM On-Prem) Successful Unauthenticated Password Reset (CVE-2024-20419)

Query · suricata

flow:established,to_client;
flowbits:isset,ET.CVE-2024-20419.request;
http.stat_code;
content:"200";
http.cookie;
content:"XSRF|2d|TOKEN|3d|"; startswith;
http.response_body;
content:"|7b 22|uid|22 3a 22|"; startswith;
content:"|22 2c 22|auth|5f|token|22 3a 22|"; fast_pattern;
pcre:"/^(?:[a-z0-9]{64})\x22\x7d$/R";
target:dest_ip;

Rule dependencies

⚠ Higher-order rule. It fires on other rules' alerts, not on raw events, so it cannot fire on its own. Deploy the rules it depends on too.

Depends on

Raw source ET EXPLOIT Cisco Smart Software Manager On-Prem (SSM On-Prem) Successful Unauthenticated Password Reset (CVE-2024-20419) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http [$HTTP_SERVERS,$HOME_NET] any -> $EXTERNAL_NET any (
    msg:"ET EXPLOIT Cisco Smart Software Manager On-Prem (SSM On-Prem) Successful Unauthenticated Password Reset (CVE-2024-20419)";
    flow:established,to_client;
    flowbits:isset,ET.CVE-2024-20419.request;
    http.stat_code;
    content:"200";
    http.cookie;
    content:"XSRF|2d|TOKEN|3d|"; startswith;
    http.response_body;
    content:"|7b 22|uid|22 3a 22|"; startswith;
    content:"|22 2c 22|auth|5f|token|22 3a 22|"; fast_pattern;
    pcre:"/^(?:[a-z0-9]{64})\x22\x7d$/R";
    reference:cve,2024-20419;
    reference:url,nvd.nist.gov/vuln/detail/CVE-2024-20419;
    reference:url,sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cssm-auth-sLw3uhUy;
    classtype:attempted-admin;
    sid:2056149; rev:2;
    metadata:affected_product Cisco_IOS, created_at 2024_09_24, cve CVE_2024_20419, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag CVE_2024_20419, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_11_26, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)

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