CVE Vulnerabilities

CVE-2021-38490

Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')

Published: Aug 10, 2021 | Modified: Aug 18, 2021
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N
RedHat/V2
RedHat/V3
Ubuntu

Altova MobileTogether Server before 7.3 SP1 allows XML exponential entity expansion, a different vulnerability than CVE-2021-37425.

Weakness

The product uses XML documents and allows their structure to be defined with a Document Type Definition (DTD), but it does not properly control the number of recursive definitions of entities.

Affected Software

Name Vendor Start Version End Version
Mobiletogether_server Altova 7.0 (including) 7.3 (excluding)
Mobiletogether_server Altova 7.3 (including) 7.3 (including)

Potential Mitigations

References