Home/CVE/An issue was discovered in tangro Business Workflow before 1.18.1. No (or broken) access control checks exist on the /ap
CVE

CVE-2020-26176

An issue was discovered in tangro Business Workflow before 1.18.1. No (or broken) access control checks exist on the /ap

An issue was discovered in tangro Business Workflow before 1.18.1. No (or broken) access control checks exist on the /api/document/<DocumentID>/attachments API endpoint. Knowing a document ID, an attacker can list all the attachments of a workitem, including their respective IDs.

This allows the attacker to gather valid attachment IDs for workitems that do not belong to them.

MEDIUM · CVSS 4.3 EPSS 0.00199
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-922Insecure Storage of Sensitive Information
▤

Affected Products & Versions

1
tangro business workflow< 1.18.1
⚠

Public Exploits & PoCs

1
pocblog.to.com · advisory-tangro-bwf-1-17-5-multiple-vulnerabilitiesblog.to.com
▣

Scoring & Timeline

4.3
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD18 Dec 2020 · 10:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.tangro.de/Product
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