VULNERABILITY INTELLIGENCE
CVE-2021-40511
CVSS score7.5 HIGH
EPSS probability0.94%
CISA KEVNot currently listed
Published2022-06-21
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
OBDA systems’ Mastro 1.0 is vulnerable to XML Entity Expansion (aka “billion laughs”) attack allowing denial of service.
Weakness classification
- nvd@nist.gov: CWE-776
Primary references
- cve@mitre.org — Third Party Advisory
- cve@mitre.org — Product, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Product, Vendor Advisory