CVE-2021-40511

Published on: Not Yet Published

Last Modified on: 06/28/2022 07:11:00 PM UTC

CVE-2021-40511

Source: Mitre Source: NIST CVE.ORG Print: PDF PDF
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Certain versions of Mastro from Obdasystems contain the following vulnerability:

OBDA systems’ Mastro 1.0 is vulnerable to XML Entity Expansion (aka “billion laughs”) attack allowing denial of service.

  • CVE-2021-40511 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as HIGH severity.

CVSS3 Score: 7.5 - HIGH

Attack
Vector ⓘ		 Attack
Complexity		 Privileges
Required		 User
Interaction
NETWORK LOW NONE NONE
Scope Confidentiality
Impact		 Integrity
Impact		 Availability
Impact
UNCHANGED NONE NONE HIGH

CVSS2 Score: 5 - MEDIUM

Access
Vector ⓘ		 Access
Complexity		 Authentication
NETWORK LOW NONE
Confidentiality
Impact		 Integrity
Impact		 Availability
Impact
NONE NONE PARTIAL

CVE References

Description Tags ⓘ Link
Advisory - Joshua CybeRiskVision www.cyberiskvision.com
text/html
 URL Logo MISC www.cyberiskvision.com/advisory/
Home - OBDA Systems www.obdasystems.com
text/html
 URL Logo MISC www.obdasystems.com/mastro
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Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationObdasystemsMastro1.0AllAllAll
  • cpe:2.3:a:obdasystems:mastro:1.0:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-40511 : OBDA systems’ Mastro 1.0 is vulnerable to XML Entity Expansion aka “billion laughs” attack allow… twitter.com/i/web/status/1… 2022-06-21 17:07:00
Twitter Icon @Inceptus3 New Vulnerability: CVE-2021-40511 #InceptusSecure #UnderOurProtection 2022-06-21 18:12:44
Reddit Logo Icon /r/netcve CVE-2021-40511 2022-06-21 18:38:39
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