CVE-2024-4879: ServiceNow Improper Input Validation Vulnerability

Patch now

CRITICAL 9.8EXPLOITEDREMOTEDOWNGRADE

CVE-2024-4879 is a critical-severity flaw (CVSS 9.8) affecting servicenow, reported as exploited in the wild. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

ServiceNow has addressed an input validation vulnerability that was identified in Vancouver and Washington DC Now Platform releases. This vulnerability could enable an unauthenticated user to remotely execute code within the context of the Now Platform. ServiceNow applied an update to hosted instances, and ServiceNow released the update to our partners and self-hosted customers. Listed below are the patches and hot fixes that address the vulnerab

Why this priority

Critical severity
EPSS top 1%: very likely to be exploited
Exploited in the wild (CISA KEV)
Public exploit reference
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	100.0% (top 1%)
CISA exploited list	Yes, fix due 2024-08-19
Weakness	CWE-1287
Published	2024-07-10
Last modified	2026-06-17

Publisher (CNA): ServiceNow · Vendor: servicenow

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-07-10 17:15 UTCPublished CVE record published
2024-07-29Exploited Added to the CISA Known Exploited Vulnerabilities list
2024-08-19Deadline CISA due date for US federal agencies to patch
2026-06-17 08:03 UTCUpdated Record last modified

servicenow servicenow DOWNGRADE

Affected: utah · utah early_availability · utah patch_1 · utah patch_1_hotfix_1 · utah patch_1_hotfix_1a · utah patch_1_hotfix_1b · utah patch_1_hotfix_2 · utah patch_10

Fixed in: no fixed release known

Safe to downgrade to: a release before utah

1. Check installed version

apt-cache policy servicenow || rpm -q servicenow || servicenow --version

2. No fixed release: DOWNGRADE to a release before utah (Debian / Ubuntu)

apt-cache madison servicenow sudo apt install servicenow=<VERSION_BEFORE_utah> sudo apt-mark hold servicenow

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list servicenow sudo dnf downgrade servicenow-<VERSION_BEFORE_utah> sudo dnf versionlock add servicenow

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.

Fedora ELN · gram_grep · FIXED · 0.10.4-1.eln159 · FEDORA-2026-0808475f2a · source

sudo dnf upgrade --advisory=FEDORA-2026-0808475f2a

Fedora 46 · wesnoth · FIXED · 1.19.29-1.fc46 · FEDORA-2026-58f458e24e · source

sudo dnf upgrade --advisory=FEDORA-2026-58f458e24e

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

GitHub PoC: Brut-Security/CVE-2024-4879 (25 stars)
GitHub PoC: bigb0x/CVE-2024-4879 (10 stars)
GitHub PoC: Mr-r00t11/CVE-2024-4879 (4 stars)
Write-up: www.darkreading.com/cloud-security/patchnow-servicenow-critical-rce-bugs-active-exploit
GitHub PoC: 0xWhoami35/CVE-2024-4879
Exploit-DB: ServiceNow Multiple Versions - Input Validation & Template Injection
Nuclei scan template: ServiceNow UI Macros - Template Injection

Verify at the official source NVD · CVE Program · CISA KEV catalog · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-4879?

servicenow: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-4879 being exploited?

Yes. CVE-2024-4879 is on the CISA Known Exploited Vulnerabilities list, so treat it as patch-now.

What does CVE-2024-4879 affect?

CVE-2024-4879 affects servicenow. Severity is critical (CVSS 9.8). ServiceNow has addressed an input validation vulnerability that was identified in Vancouver and Washington DC Now Platform releases. This vulnerability could enable an unauthenticated user to remotely execute code within the context of the

How urgent is CVE-2024-4879?

Priority 97/100. Critical severity; EPSS top 1%: very likely to be exploited; Exploited in the wild (CISA KEV); Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

Related CVEs

CVE-2024-8924 HIGH 7.5 DOWNGRADE ServiceNow has addressed a blind SQL injection vulnerability that was identified in the Now Platform
CVE-2024-8923 CRITICAL 9.8 DOWNGRADE ServiceNow has addressed an input validation vulnerability that was identified in the Now Platform
CVE-2024-5217 CRITICAL 9.8 EXPLOITED DOWNGRADE ServiceNow Incomplete List of Disallowed Inputs Vulnerability

References

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