CVE-2021-40510

7.5 highEPSS 1.4%

High (7.5) in obdasystems mastro. EPSS 1.4% chance of exploitation in the next 30 days.

XML eXternal Entity (XXE) in OBDA systems’ Mastro 1.0 allows remote attackers to read system files via custom DTDs.

Severity

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 1.4% chance of exploitation in the next 30 days; higher than 71% of CVEs (scores of 2026-10-31)
CWE: CWE-611
Published: 2022-06-21
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19