Home/CVE/ServiceNow Incomplete List of Disallowed Inputs Vulnerability
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CVE-2024-5217

ServiceNow Incomplete List of Disallowed Inputs Vulnerability

ServiceNow has addressed an input validation vulnerability that was identified in the Washington DC, Vancouver, and earlier Now Platform releases. This vulnerability could enable an unauthenticated user to remotely execute code within the context of the Now Platform. The vulnerability is addressed in the listed patches and hot fixes below, which were released during the June 2024 patching cycle. If you have not done so already, we recommend applying security patches relevant to your instance as soon as possible.

CRITICAL · CVSS 9.8 ⚠ CISA KEV EPSS 0.94108
Act now
  • Listed on CISA KEV (known exploited in the wild)
  • SSVC exploitation status: active
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 0% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules10 YARA rules0
⬢

Required Remediation

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

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Threat Actors Linked

1
actorFlax Typhoon
⬡

Weakness Classification

CWE-184Incomplete List of Disallowed Inputs
CWE-697Incorrect Comparison
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Affected Products & Versions

1
servicenowall versions
⚠

Public Exploits & PoCs

1
nucleiServiceNow - Incomplete Input Validationcritical
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Detection Rules (IDS/IPS)

4
et-openET WEB_SPECIFIC_APPS ServiceNow Command Injection Attempt (CVE-2024-5217,2024-4879) M1attempted-admin
et-openET WEB_SPECIFIC_APPS ServiceNow Command Injection Attempt (CVE-2024-5217,2024-4879) M2attempted-admin
et-openET WEB_SPECIFIC_APPS ServiceNow Command Injection Attempt (CVE-2024-5217,2024-4879) M3attempted-admin
et-openET WEB_SPECIFIC_APPS ServiceNow Command Injection Attempt (CVE-2024-5217,2024-4879) M4attempted-admin
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
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Sigma Hunt Rules

10
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
relatedcriticalAntivirus Password Dumper Detection
relatedcriticalHacktool Execution - Imphash
relatedcriticalHackTool - Rubeus Execution
relatedcriticalPotential Credential Dumping Via LSASS Process Clone
relatedcriticalWCE wceaux.dll Access
relatedcriticalHackTool - Dumpert Process Dumper Default File
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Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · psirt@servicenow.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD10 Jul 2024 · 05:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
active
Automatable
yes
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
cisaKEV-CVE-2024-5217
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB1644293Permissions Required
https://www.darkreading.com/cloud-security/patchnow-servicenow-critical-rce-bugs-active-exploitPress/Media Coverage
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-5217US Government Resource
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