BLACKOUT MAP

Adobe · ColdFusion

CVE-2023-26359

Adobe ColdFusion Deserialization of Untrusted Data Arbitrary code execution

Exploited in attacks Critical 9.8 Attack chance: 17%
Share

What it is

Adobe ColdFusion versions 2018 Update 15 (and earlier) and 2021 Update 5 (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. Exploitation of this issue does not require user interaction.

CISA: Adobe ColdFusion contains a deserialization of untrusted data vulnerability that could result in code execution in the context of the current user.

What to do

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

Deadline for US federal agencies: September 11, 2023

Added to the CISA list
August 21, 2023
Published
March 23, 2023
Severity
Critical 9.8 CVSS 3.1
Chance of attacks in the next 30 days (EPSS)
17% in the top 2.9% of all known vulnerabilities
Weakness
CWE-502
More details
NVD · CVE.org · CISA
All references (1)

More exploited flaws from Adobe

AddedVulnerabilityProductSeverityAttack chance
Jul 7, 2026Path TraversalCVE-2026-48282ColdFusionCritical 10.042%
Feb 24, 2025DeserializationCVE-2017-3066ColdFusionCritical 9.891%
Dec 16, 2024Improper Access ControlCVE-2024-20767ColdFusionHigh 7.499%
Jan 8, 2024Deserialization of Untrusted DataCVE-2023-29300used by ransomwareColdFusionCritical 9.8>99.9%
Jan 8, 2024Deserialization of Untrusted DataCVE-2023-38203used by ransomwareColdFusionCritical 9.897%
Jul 20, 2023Improper Access ControlCVE-2023-29298ColdFusionHigh 7.599.8%
Jul 20, 2023Improper Access ControlCVE-2023-38205ColdFusionHigh 7.599.8%
Mar 15, 2023Deserialization of Untrusted DataCVE-2023-26360ColdFusionHigh 8.697%

All of them →

Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.