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VulnerabilityPublished Updated

CVE-2025-30284: Adobe ColdFusion · Deserialization of Untrusted Data

Affects Adobe ColdFusionSource CVE Database V5

0

Not known to be exploited · CVSS 8.4 High.

Data as of 26 Oct 2026, 14:05 UTC

CVSS 3.1 base score
8.4High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
2.1% chance of exploitation in 30 days – higher than 81% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 8 Apr 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Adobe ColdFusionAffected
  • =0
Fixed in–

AI-suggested

  1. Monitor Adobe's official channels closely for patches addressing CVE-2025-30284 and apply them immediately upon release.
  2. Restrict user privileges to the minimum necessary, especially limiting high-privilege accounts that can trigger deserialization processes.
  3. Implement strict input validation and sanitization on all data that may be deserialized, employing allowlists for expected object types.
  4. Use application-layer firewalls or runtime application self-protection (RASP) tools to detect and block suspicious deserialization attempts.
  5. Conduct regular security audits and code reviews focusing on serialization/deserialization logic.
  6. Educate users and administrators about the risks of social engineering that could lead to user interaction exploitation.
  7. Isolate ColdFusion servers in segmented network zones to limit lateral movement if compromised.
  8. Enable detailed logging and monitoring of deserialization events to detect anomalous behavior early.

Description

ColdFusion versions 2023.12, 2021.18, 2025.0 and earlier are affected by a Deserialization of Untrusted Data vulnerability that could result in arbitrary code execution in the context of the current user. A high-privileged attacker could leverage this vulnerability to bypass security protections and execute code. Exploitation of this issue requires user interaction and scope is changed.

References

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