CVE-2023-38203: Adobe ColdFusion Deserialization of Untrusted Data Vulnerability

CVE-2023-38203 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2024-01-08

Adobe ColdFusion is vulnerable to deserialization of untrusted data. An unauthenticated remote attacker can exploit this to execute arbitrary code without user interaction.

Technologies: Adobe ColdFusion. Vendors: Adobe.

Quick answers

Is CVE-2023-38203 exploited in the wild?
Yes. CVE-2023-38203 is known to be exploited in the wild, first recorded on 8 January 2024. Treat it as urgent.
How severe is CVE-2023-38203?
Critical severity, with a CVSS score of 9.8, published 8 January 2024.
Which products and versions are affected?
Adobe ColdFusion 2018u17 and earlier, 2021u7 and earlier, 2023u1 and earlier.
Is there a fix for CVE-2023-38203?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2023-38203 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2023-38203?
Check whether you run Adobe ColdFusion. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Adobe ColdFusion 2018u17 and earlier, 2021u7 and earlier, 2023u1 and earlier

Timeline

  • 2023-07-20: disclosed: NVD Published Date
  • 2024-01-08: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2024-01-08: advisory: Publication date of the provided advisory summary

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