CVE-2018-4939

criticalknown exploitedcovered by 1 sourcefirst seen 2021-11-03

Actively exploited. CVE-2018-4939 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.

Adobe ColdFusion contains a deserialization of untrusted data vulnerability that could allow for code execution.

CSIRTS triage

What: A deserialization vulnerability could allow for code execution in Adobe ColdFusion.
Who is affected: Users of Adobe ColdFusion are affected by this vulnerability.
Urgency: Remediation is urgent as the vulnerability is actively exploited and classified as critical.
Action: Update to the latest version of Adobe ColdFusion.

AI-assisted analysis generated from the source advisory — verify against the original.

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Exploitation outlook

Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 99% of all EPSS-scored CVEs.

Advisory coverage (1)

criticalexploitedCVE-2018-4939: Adobe ColdFusion Deserialization of Untrusted Data Vulnerabilitycisa-kev · 2021-11-03

External references

NVD record for CVE-2018-4939

CVE.org record

CISA KEV catalog

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