Is CVE-2023-29300 in the CISA KEV catalog?

Yes. CVE-2023-29300 is on the CISA Known Exploited Vulnerabilities list, added 2024-01-08, and has known ransomware campaign use.

What is the CVSS severity of CVE-2023-29300?

CVE-2023-29300 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2023-29300?

CVE-2023-29300 has an EPSS score of 99.98% (100th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2023-29300

CRITICALCISA KEVEPSS 100th pctl

9.8

CVSS v3

NVD

Description

Adobe ColdFusion versions 2018u16 (and earlier), 2021u6 (and earlier) and 2023.0.0.330468 (and earlier) are affected by a Deserialization of Untrusted Data vulnerability that could result in Arbitrary code execution. Exploitation of this issue does not require user interaction.

CWE-502Deserialization of Untrusted Data

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

99.98%probability of exploitation in 30 days

100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Adobe ColdFusion Deserialization of Untrusted Data Vulnerability

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

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

Remediation due: 2024-01-29

Associated with ransomware campaigns

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-23.