Adobe warns that a critical ColdFusion pre-authentication remote code execution vulnerability tracked as CVE-2023-29300 is actively exploited in attacks.
CVE-2023-29300 is rated as critical with a 9.8 severity rating, as it can be used by unauthenticated visitors to remotely execute commands on vulnerable Coldfusion 2018, 2021, and 2023 servers in low-complexity attacks.
As part of an email notification for a similar CVE-2023-38203 RCE flaw, Adobe also disclosed that CVE-2023-29300 was seen exploited in attacks.
“Adobe is aware that CVE-2023-29300 has been exploited in the wild in very limited attacks targeting Adobe ColdFusion,” reads an email notification seen by BleepingComputer.
While the details of how the vulnerability is exploited are currently unknown, a recently-removed technical blog post by Project Discovery was published last week that contains a proof-of-concept exploit for CVE-2023-29300.
“In conclusion, our analysis revealed a significant vulnerability in the WDDX deserialization process within Adobe ColdFusion 2021,” explains the Project Discovery blog post.