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cve[email protected]CVE-2021-40439
HistoryOct 07, 2021 - 4:15 p.m.

CVE-2021-40439

2021-10-0716:15:09
CWE-611
web.nvd.nist.gov
38
apache openoffice
cve-2021-40439
expat
xml
odf files

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7 High

AI Score

Confidence

High

0.005 Low

EPSS

Percentile

76.9%

Apache OpenOffice has a dependency on expat software. Versions prior to 2.1.0 were subject to CVE-2013-0340 a β€œBillion 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.

Affected configurations

Vulners
NVD
Node
apacheopenofficeRange≀4.1.10
OR
apacheopenofficeRange≀3.4

CNA Affected

[
  {
    "product": "Apache OpenOffice",
    "vendor": "Apache Software Foundation",
    "versions": [
      {
        "lessThanOrEqual": "4.1.10",
        "status": "affected",
        "version": "Apache OpenOffice",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "3.4",
        "status": "affected",
        "version": "OpenOffice.org",
        "versionType": "custom"
      }
    ]
  }
]

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7 High

AI Score

Confidence

High

0.005 Low

EPSS

Percentile

76.9%