CVE-2020-26176

CVSS V2 Medium 4 CVSS V3 Medium 4.3
Description
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.
Overview
  • CVE ID
  • CVE-2020-26176
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-12-18T10:15:13
  • Last Modified Date
  • 2020-12-21T16:56:43
Weakness Enumerations
CWE URL
CWE-922 http://cwe.mitre.org/data/definitions/922.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:tangro:business_workflow:*:*:*:*:*:*:*:* 1 OR 1.18.1
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:S/C:P/I:N/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 4
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • LOW
  • Availability Impact
  • NONE
  • Base Score
  • 4.3
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.8
  • Impact Score
  • 1.4
References
Reference URL Reference Tags
https://www.tangro.de/ Product
https://blog.to.com/advisory-tangro-bwf-1-17-5-multiple-vulnerabilities/ Exploit Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-26176
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26176
History
Created Old Value New Value Data Type Notes
2022-05-10 07:29:46 Added to TrackCVE
2022-12-05 18:34:01 2020-12-18T10:15Z 2020-12-18T10:15:13 CVE Published Date updated
2022-12-05 18:34:01 2020-12-21T16:56:43 CVE Modified Date updated
2022-12-05 18:34:01 Analyzed Vulnerability Status updated