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[email protected]NVD:CVE-2020-26172

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

CVE-2020-26172

2020-12-1810:15:12

CWE-294

[email protected]

web.nvd.nist.gov

jwt token

expiration timestamp

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

4.9

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/

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

4.9

Confidence

High

EPSS

0.001

Percentile

45.3%

JSON

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