Security readout for executives and security teams
Plain-English summary
CVE-2024-4879 is a critical ServiceNow Now Platform flaw that can let an unauthenticated remote attacker execute code in the platform context. ServiceNow says hosted instances were updated and patches or hot fixes were released for partners and self-hosted customers.
Executive priority
Treat this as an emergency exposure review for ServiceNow. The vulnerability is critical, remotely reachable, unauthenticated, and listed by CISA as exploited. Confirm update status immediately, especially for non-hosted environments.
Technical view
The vulnerability is described as an input validation issue involving Jelly template injection in ServiceNow UI Macros affecting Vancouver and Washington DC Now Platform releases. The CVSS 3.1 score is 9.8 with network access, low complexity, no privileges, and no user interaction required.
Likely exposure
Primary exposure is ServiceNow Now Platform Vancouver or Washington DC instances that were not updated, especially partner-managed or self-hosted environments. Hosted instances may already have received ServiceNow’s update, but owners should verify patch status.
Exploitation context
Active exploitation is supported by CISA KEV listing and the cited Dark Reading report. The supplied bundle does not include exploit details, indicators of compromise, or a complete public affected-version matrix.
Researcher notes
Evidence supports unauthenticated remote code execution risk in the Now Platform context through an input validation/Jelly template injection issue. Public details in the bundle are limited; use ServiceNow KBs for authoritative patch mapping and avoid assuming affected versions beyond Vancouver and Washington DC.
Mitigation direction
- Confirm whether each ServiceNow instance runs Vancouver or Washington DC releases.
- Apply the relevant ServiceNow security patch or hot fix from vendor guidance.
- Verify hosted-instance update status with ServiceNow support or administrative records.
- Prioritize partner-managed and self-hosted instances for patch confirmation.
- Check CISA KEV deadlines and internal emergency patch SLAs.
Validation and detection
- Inventory all ServiceNow Now Platform instances, including hosted, partner-managed, and self-hosted deployments.
- Compare release and patch status against ServiceNow KB1645154 guidance.
- Confirm whether CVE-2024-4879 is listed in vulnerability management tools for each instance.
- Review available telemetry for suspicious unauthenticated activity; the bundle provides no specific IOCs.
- Document remediation evidence, including patch level, date applied, and instance owner.
Public sources used
Michael Williams reviewed this cited source version on .
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-1287: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2024-4879 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CISA KEV status
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB1645154CVE reference
- https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB1644293CVE reference · x_login-required
- https://www.darkreading.com/cloud-security/patchnow-servicenow-critical-rce-bugs-active-exploitCVE reference
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-4879CVE reference · government-resource
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Validation of Specified Type of Input
Improper Validation of Specified Type of Input represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.