Known exploited vulnerability
CVE-2023-38203
The short answer
CVE-2023-38203 affects Adobe ColdFusion and is rated critical (CVSS 9.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2024-01-08: attackers are using it, so patch it first. The vendor has linked a patch.
What it is
Adobe ColdFusion versions 2018u17 (and earlier), 2021u7 (and earlier) and 2023u1 (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.
Weakness: CWE-502.
Severity
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploited (CISA KEV)
Yes, since Jan 8, 2024
Federal due date Jan 29, 2024
EPSS, next 30 days
97%
Higher than 100% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
What CISA says to do
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Affected products
ColdFusion. NVD's record lists the exact affected versions.
References
- helpx.adobe.com/security/products/coldfusion/apsb23-41.html PatchVendor Advisory
- helpx.adobe.com/security/products/coldfusion/apsb23-41.html PatchVendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-38203 Third Party AdvisoryUS Government Resource
Questions
Is CVE-2023-38203 being exploited?
Yes. CISA added CVE-2023-38203 to its Known Exploited Vulnerabilities catalog on 2024-01-08, with a federal remediation due date of 2024-01-29. CISA lists it as used in ransomware campaigns.
How do I fix CVE-2023-38203?
CISA's required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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