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MitreCVE-2020-26171

HistoryDec 18, 2020 - 10:15 a.m.

CVE-2020-26171

2020-12-1810:15:12

CWE-639

mitre

web.nvd.nist.gov

cve-2020-26171

security

vulnerability

documentid

attachment

upload

api

manipulation

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:S/C:N/I:P/A:N

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

4.6

Confidence

High

EPSS

0.001

Percentile

24.8%

JSON

In tangro Business Workflow before 1.18.1, the documentId of attachment uploads to /api/document/attachments/upload can be manipulated. By doing this, users can add attachments to workitems that do not belong to them.

Affected configurations

Nvd

Node

tangrobusiness_workflowRange<1.18.1

VendorProductVersionCPE
tangrobusiness_workflow*cpe:2.3:a:tangro:business_workflow:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
tangro	business_workflow	*	cpe:2.3:a:tangro:business_workflow::::::::

References

blog.to.com/advisory-tangro-bwf-1-17-5-multiple-vulnerabilities/

www.tangro.de/

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:S/C:N/I:P/A:N

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

4.6

Confidence

High

EPSS

0.001

Percentile

24.8%

JSON

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