CVE-2024-5217
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.
Published Updated Sources: NVD, CISA, FIRST EPSS
Triage
Is it exploited, how likely is exploitation, what does it touch, and how severe do the scoring sources call it.
Exploitation
Confirmed
CISA KEV, listed Jul 29, 2024
EPSS
100%
top of FIRST's scoreset
CVSS base
9.8
critical
CISA SSVC assessment
Three decision points CISA publishes for the CVEs it assesses · SSVC 2.0.3. A stakeholder decision, not a severity score.
Exploitation
Active
none · proof-of-concept · active
Automatable
Yes
can an attacker script all four kill-chain steps
Technical impact
Total
partial · total control of the vulnerable component
Remediation
The vendor's own words where we have them.
Upgrade now_platform to a fixed release. Apply vendor patches per advisory and restrict external exposure of the affected component until patched.
CISA required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Federal deadline Aug 19, 2024 — passed 760 days ago
First 24 hours
Ordered from the record's own fields — exposure first, because you cannot patch what you have not found.
- Identify exposed assets running affected vendor/product/version combinations.
- Treat as emergency remediation because CISA KEV status is present.
- Search available logs for exploit probes, errors, authentication anomalies, or suspicious child processes matching the vulnerability class.
Affected scope
Vendor, product and version as the advisories word them.
| Vendor | Product | Versions | Status |
|---|---|---|---|
| servicenow | now_platform | — | Vulnerable |
| servicenow | servicenow | — | Vulnerable |
Attack characteristics
The CVSS vector, decoded. It describes the attack, not your exposure to it.
Availability
High
Confidentiality
High
Integrity
High
Scope
Unchanged
Attack Complexity
Low
Attack Vector
Network
Privileges Req
None
User Interaction
None
Every base score collected
Sources score independently and disagree; each row says who scored it and under which version.
| Score | Version | Severity | Expl. | Impact | Source |
|---|---|---|---|---|---|
| 9.8 | CVSS 3.1 | critical | 3.9 | 5.9 | servicenow.com (CNA), NVD |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness & attack patterns
- CWE-184
- CWE-697
Inferred from the weakness class — not observed against this CVE.
- T1027Obfuscated Files or Information
CISA KEV details
CISA lists a CVE here once it has evidence of exploitation against real targets.
Listed
Jul 29, 2024
Federal deadline
Aug 19, 2024
passed 760 days ago
Ransomware use
Unknown
CISA records ransomware use only for campaigns it has confirmed, so “Unknown” means unrecorded, not ruled out. The deadline binds US federal agencies; for everyone else it is a date to argue against.
Detection
Read off the CVSS vector and the weakness class. Starting points, not rules we have tested.
- Prioritize edge telemetry for network-reachable now_platform, servicenow.
Timeline
What happened to this CVE, newest first — with the readings a source repeats on a schedule counted underneath rather than listed.
- 2026
Added · CVSS 3.1 9.8 (AV:N)
Jun 17, 2026 · NVD
- 2024
Added to CISA KEV catalog
Jul 29, 2024 · CISA
Initial · CVE published
Jul 10, 2024 · NVD
References
5 on the record
- support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB1644293
Permissions Required
- support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB1648313
Vendor Advisory
- www.darkreading.com/cloud-security/patchnow-servicenow-critical-rce-bugs-active-exploit
Press/Media Coverage
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-5217
US Government Resource
- nvd.nist.gov/vuln/detail/CVE-2024-5217
Vendor Advisory
Elsewhere on this site
- servicenowevery CVE for this vendor
- July 2024what else CISA listed
- Unclassifiedsame class
- CWE-184other pages naming this weakness
Not in any source we poll
Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.
- No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
- No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
- No exploit packet captures, log samples, or incident case IDs supplied.
Answered from this record1
What should defenders know first?
CVE-2024-5217 is ServiceNow Incomplete List of Disallowed Inputs Vulnerability, a critical vulnerability affecting now_platform, servicenow from servicenow. The current evidence lists it in CISA KEV, and the exploit status is: Yes: CISA KEV signal present. Public exploit evidence is: A public PoC is not confirmed from current sources for CVE-2024-5217. The affected-version evidence is listed in the key facts and affected products tables. Defenders should first verify whether exposed or business-critical assets run those versions, then apply vendor patches or mitigations, restrict reachable attack surface, and preserve logs for detection review. CVSS 9.8 describes technical severity, while EPSS 100% helps estimate near-term exploit likelihood; neither replaces asset context. Unknown fields should remain explicit in tickets, and threat actor, IOC, victimology, or payload claims should not be added unless a cited source supports them. Monitor CISA KEV, vendor advisories, NVD changes, public PoC repositories, and internal telemetry for update triggers.