CVE-2020-26172

CVSS V2 Medium 6.4 CVSS V3 Medium 6.5

Description

Every login in tangro Business Workflow before 1.18.1 generates the same JWT token, which allows an attacker to reuse the token when a session is active. The JWT token does not contain an expiration timestamp.

Overview

CVE ID
CVE-2020-26172

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2020-12-18T10:15:12

Last Modified Date
2020-12-21T21:11:33

Weakness Enumerations

CWE	URL
CWE-294	http://cwe.mitre.org/data/definitions/294.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:N/C:P/I:P/A:N

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
PARTIAL

Availability Impact
NONE

Base Score
6.4

Severity
MEDIUM

Exploitability Score
10

Impact Score
4.9

CVSS Version 3

Version
3.1

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

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
LOW

Availability Impact
NONE

Base Score
6.5

Base Severity
MEDIUM

Exploitability Score
3.9

Impact Score
2.5

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-2020-26172
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26172

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 07:29:45				Added to TrackCVE
2022-12-05 18:33:45	2020-12-18T10:15Z	2020-12-18T10:15:12	CVE Published Date	updated
2022-12-05 18:33:45		2020-12-21T21:11:33	CVE Modified Date	updated
2022-12-05 18:33:45		Analyzed	Vulnerability Status	updated