Lucene search

MitreCVE-2020-26172

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

CVE-2020-26172

2020-12-1810:15:12

CWE-294

mitre

web.nvd.nist.gov

cve-2020-26172

tangro business workflow

jwt token

token reuse

session

expiration timestamp

nvd

CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

6.3

Confidence

High

EPSS

0.001

Percentile

45.3%

JSON

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.

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/

Social References

CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

6.3

Confidence

High

EPSS

0.001

Percentile

45.3%

JSON

Related for CVE-2020-26172