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vulnerability

CVE-2024-20767

7.4
High
KEV · Exploited in wildEPSS 99%Patch available

ColdFusion versions 2023.6, 2021.12 and earlier are affected by an Improper Access Control vulnerability that could result in arbitrary file system read. An attacker could leverage this vulnerability to access or modify restricted files. Exploitation of this issue does not require user interaction. Exploitation of this issue requires the admin panel be exposed to the internet.

exploited
Yes, in CISA KEV since 16 Dec 2024fix by 6 Jan 2025 (CISA deadline for US federal agencies)public exploit code
fix
Patch available see the advisory in the references
likelihood
EPSS 98.5%
Published 18 Mar 2024Analysed here 2 Nov 2026CVSS scored by the publisher (CNA)

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

triage
surface unknownruntimeWAF can block: noAV · networkCWE-284· Common Weakness

Can a WAF block it? No. The vulnerability involves improper access control in the admin panel exposed over the web, allowing attackers to read or modify restricted files. The malicious requests appear as normal admin panel requests without unusual patterns that a firewall could reliably detect.

Also consider: patch

Based on an AI reading of the CVE description, and no vendor rule found yet. We check Cloudflare, AWS, Google Cloud Armor and Azure; for Akamai, Imperva, Fastly, F5, ask your vendor.

cvss vector
attack vectornetworkattack complexityhighprivileges requirednoneuser interactionnonescopeunchangedconfidentialityhighintegrityhighavailabilitynone
CVSS 3.1 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
common questions

Is CVE-2024-20767 being exploited?

Yes. CVE-2024-20767 appears in CISA's Known Exploited Vulnerabilities catalog, which means exploitation in the wild has been confirmed and reported. Treat it as active rather than theoretical, and patch it ahead of higher-scoring vulnerabilities that carry no exploitation evidence.

How severe is CVE-2024-20767?

CVE-2024-20767 is rated High with a CVSS score of 7.4. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.

Is there a patch for CVE-2024-20767?

Yes. A fix has been recorded for CVE-2024-20767. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.

What does CVE-2024-20767 affect?

CVE-2024-20767 affects adobe:coldfusion. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.

Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.

executive summary
technical analysis
affected
adobe:coldfusion
affected versions
Adobe ColdFusion
  • affected<= 2021.12

As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.

public exploits

Public exploit code: 1 on Exploit-DB · 1 Metasploit module · 5 GitHub proofs of concept · 1 Nuclei template

Exploit-DB
Metasploit
Nuclei
GitHub proofs of concept
+1 more repositories

Listed so you can judge urgency, not as a recommendation to run anything. GitHub “proofs of concept” are unvetted: some are fake or carry malware. Exploit-DB marks the entries its staff verified.

cisa ssvc

exploitation
active
automatable
yes
technical impact
partial

Assessed by CISA 17 Dec 2024 (SSVC 2.0.3).

timeline

  1. 18 Mar 2024Published
  2. 26 Mar 2024First public exploit or proof of concept · 7 days later
  3. 16 Dec 2024Added to CISA KEV (exploited in the wild) · 265 days (about 9 months) later
  4. 17 Dec 2024CISA SSVC assessment: exploitation active · 2 days later
  5. 6 Jan 2025CISA remediation due date (US federal agencies) · 19 days later
  6. 21 Oct 2025CVE record last updated · 289 days (about 10 months) later
  7. 2 Nov 2026Analysed by vulneraibility.com · 377 days (about 1 year) later
how to fix
Remediation steps are tailored for users whose stack is affected. Add this technology to your stack to see the fix checklist.
references
2 references in the CVE record: 1 advisory, 1 link
  • Advisoryhelpx.adobe.com /security/products/coldfusion/apsb24-14.html
  • Linkcisa.gov /known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-20767

sources

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