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[email protected]CVE-2021-28095

HistoryJul 30, 2021 - 2:15 p.m.

CVE-2021-28095

2021-07-3014:15:00

CWE-326

[email protected]

web.nvd.nist.gov

ox documents

cve-2021-28095

incorrect access control

xml

hash collisions

nvd

4.8 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

5.2 Medium

AI Score

Confidence

High

5.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

45.5%

JSON

OX Documents before 7.10.5-rev5 has Incorrect Access Control for documents that contain XML structures because hash collisions can occur, due to use of CRC32.

CPENameOperatorVersion
open-xchange:open-xchange_documentsopen-xchange open-xchange documentseq7.10.5

CPE	Name	Operator	Version
open-xchange:open-xchange_documents	open-xchange open-xchange documents	eq	7.10.5

References

packetstormsecurity.com/files/163569/OX-Documents-7.10.5-Improper-Authorization.html

seclists.org/fulldisclosure/2021/Jul/37

www.open-xchange.com

Social References

4.8 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

5.2 Medium

AI Score

Confidence

High

5.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

45.5%

JSON

Related for CVE-2021-28095

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