SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-13416

In Universal Media Server (UMS) 7.1.0, the XML parsing engine for SSDP/UPnP functionality is vulnerable to an XML External Entity Processing (XXE) attack.

CRITICAL 9.8EPSS 20.2%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 20.2%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.

Description

In Universal Media Server (UMS) 7.1.0, 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 UMS, (2) Initiate SMB connections to capture a NetNTLM challenge/response and crack to cleartext password, or (3) Initiate SMB connections to relay a NetNTLM challenge/response and achieve Remote Command Execution in Windows domains.

CVSS 3.0
9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
20.18% probability · 97th percentile
CISA KEV
Not listed
Weakness
CWE-611
Affected
spirton/universal media server
Source
cve@mitre.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.