CVE-2021-40439

CVSS V2 Medium 4.3 CVSS V3 Medium 6.5
Description
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.
Overview
  • CVE ID
  • CVE-2021-40439
  • Assigner
  • security@apache.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-10-07T16:15:09
  • Last Modified Date
  • 2021-10-15T13:01:58
Weakness Enumerations
CWE URL
CWE-611 http://cwe.mitre.org/data/definitions/611.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:apache:openoffice:*:*:*:*:*:*:*:* 1 OR 4.1.10
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.3
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 6.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://lists.apache.org/thread.html/rfb2c193360436e230b85547e85a41bea0916916f96c501f5b6fc4702%40%3Cusers.openoffice.apache.org%3E Mailing List Vendor Advisory
https://lists.apache.org/thread.html/r41eca5f4f09e74436cbb05dec450fc2bef37b5d3e966aa7cc5fada6d@%3Cannounce.apache.org%3E Mailing List Vendor Advisory
https://lists.apache.org/thread.html/rfb2c193360436e230b85547e85a41bea0916916f96c501f5b6fc4702@%3Cusers.openoffice.apache.org%3E Mailing List Vendor Advisory
http://www.openwall.com/lists/oss-security/2021/10/07/4 Mailing List Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-40439
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40439
History
Created Old Value New Value Data Type Notes
2022-05-10 06:51:35 Added to TrackCVE
2022-12-05 12:01:40 2021-10-07T16:15Z 2021-10-07T16:15:09 CVE Published Date updated
2022-12-05 12:01:40 2021-10-15T13:01:58 CVE Modified Date updated
2022-12-05 12:01:40 Analyzed Vulnerability Status updated