Executive Summary

Informations
Name CVE-2021-40439 First vendor Publication 2021-10-07
Vendor Cve Last vendor Modification 2023-11-07

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Overall CVSS Score 6.5
Base Score 6.5 Environmental Score 6.5
impact SubScore 3.6 Temporal Score 6.5
Exploitabality Sub Score 2.8
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction Required
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:N/I:N/A:P)
Cvss Base Score 4.3 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Apache OpenOffice has a dependency on expat software. Versions prior to 2.1.0 were subject to CVE-2013-0340 a "Billion Laughs" entity expansion denial of service attack and exploit via crafted XML files. ODF files consist of a set of XML files. All versions of Apache OpenOffice up to 4.1.10 are subject to this issue. expat in version 4.1.11 is patched.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40439

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-611 Information Leak Through XML External Entity File Disclosure

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 17

Sources (Detail)

https://lists.apache.org/thread.html/r41eca5f4f09e74436cbb05dec450fc2bef37b5d...
Source Url
MISC https://lists.apache.org/thread.html/rfb2c193360436e230b85547e85a41bea0916916...
MLIST http://www.openwall.com/lists/oss-security/2021/10/07/4

Alert History

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Date Informations
2024-02-15 13:17:17
  • Multiple Updates
2024-02-08 13:17:14
  • Multiple Updates
2023-11-07 21:33:44
  • Multiple Updates
2022-02-08 12:55:24
  • Multiple Updates
2021-10-15 17:22:54
  • Multiple Updates
2021-10-08 00:22:51
  • Multiple Updates
2021-10-07 21:23:11
  • First insertion