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CVE-2023-26359: Adobe ColdFusion Deserialization of Untrusted Data Vulnerability

criticalknown exploitedCVE-2023-26359
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Adobe ColdFusion contains a deserialization of untrusted data vulnerability that could result in code execution in the context of the current user.

CSIRTS triage

vendor: Adobeproduct: ColdFusionUnsafe deserializationRemote code execution
What
Adobe ColdFusion contains a deserialization of untrusted data vulnerability that could result in code execution in the context of the current user.
Who is affected
Deployments of Adobe ColdFusion are affected.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Apply the latest security patch for Adobe ColdFusion.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2023-08-21
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2023-26359

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2023-26359coverage & exploitation statusNVD · CVE.org

Recent advisories for Adobe ColdFusion Deserialization

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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