CVE-2018-15506: Bubblesoftapps Bubbleupnp

Critical severity, CVSS 9.8. EPSS: 4.7% chance of exploitation in the next 30 days.

In BubbleUPnP 0.9 update 30, the XML parsing engine for SSDP/UPnP functionality is vulnerable to an XML External Entity Processing (XXE) attack. Remote, unauthenticated attackers can use this vulnerability to: (1) Access arbitrary files from the filesystem with the same permission as the user account running BubbleUPnP, (2) Initiate SMB connections to capture a NetNTLM challenge/response and crack the cleartext password, or (3) Initiate SMB connections to relay a NetNTLM challenge/response and achieve Remote Command Execution in Windows domains.

Affected products

• Bubblesoftapps Bubbleupnp: version 0.9 only

Published 2019-06-19. Last modified 2026-06-17.