CVE-2021-40510
XML eXternal Entity (XXE) in OBDA systems’ Mastro 1.0 allows remote attackers to read system...
XML eXternal Entity (XXE) in OBDA systems’ Mastro 1.0 allows remote attackers to read system files via custom DTDs.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
XML eXternal Entity (XXE) in OBDA systems’ Mastro 1.0 allows remote attackers to read system files via custom DTDs.
- Record
CVE-2021-40510- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-611
- Updated
- 2026-11-02
CVE List No score
XML eXternal Entity (XXE) in OBDA systems’ Mastro 1.0 allows remote attackers to read system files via custom DTDs.
- Record
CVE-2021-40510- Updated
- 2026-11-02
EUVDEUVD-2021-27686 No score
XML eXternal Entity (XXE) in OBDA systems’ Mastro 1.0 allows remote attackers to read system files via custom DTDs.
- Record
EUVD-2021-27686- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9vf5-wqh5-qmx4
XML eXternal Entity (XXE) in OBDA systems’ Mastro 1.0 allows remote attackers to read system...
XML eXternal Entity (XXE) in OBDA systems’ Mastro 1.0 allows remote attackers to read system files via custom DTDs.
- Record
GHSA-9vf5-wqh5-qmx4- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-611
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-40510 is a high vulnerability (CVSS 7.5) in Obdasystems Mastro, published June 21, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.36%, the 71st percentile. No source names a fixed version.