IBM API Connect up to 10.0.1.0/2018.4.1.13 URL Fragment information disclosure

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CVSS Meta Temp Score
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2.9$0-$5k0.00

A vulnerability has been found in IBM API Connect up to 10.0.1.0/2018.4.1.13 (Automation Software) and classified as problematic. This vulnerability affects an unknown function of the component URL Fragment Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. As an impact it is known to affect confidentiality. CVE summarizes:

Certain IBM API Connect 10.0.0.0 through 10.0.1.0 and 2018.4.1.0 through 2018.4.1.13 configurations can result in sensitive information in the URL fragment identifiers. This information can be cached in the intermediate nodes like proxy servers, cdn, logging platforms, etc. An attacker can make use of this information to perform attacks by impersonating a user. IBM X-Force ID: 185510.

The weakness was shared 02/05/2021. The advisory is shared for download at ibm.com. This vulnerability was named CVE-2020-4640 since 12/30/2019. The exploitation appears to be easy. The attack needs to approached within the local network. The successful exploitation requires a single authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

The vulnerability is also documented in the vulnerability database at X-Force (185510).

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VulDB Meta Base Score: 3.0
VulDB Meta Temp Score: 2.9

VulDB Base Score: 3.0
VulDB Temp Score: 2.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfoedit

Class: Information disclosure
CWE: CWE-200
ATT&CK: Unknown

Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat: 🔍
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Countermeasuresinfoedit

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfoedit

12/30/2019 CVE assigned
02/05/2021 +403 days Advisory disclosed
02/05/2021 +0 days VulDB entry created
02/23/2021 +18 days VulDB last update

Sourcesinfoedit

Vendor: https://www.ibm.com/

Advisory: ibm.com
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2020-4640 (🔒)
X-Force: 185510

Entryinfoedit

Created: 02/05/2021 08:20 AM
Updated: 02/23/2021 03:28 PM
Changes: (6) source_cve_assigned source_cve_nvd_summary advisory_confirm_url vulnerability_cvss2_vuldb_tempscore vulnerability_cvss3_vuldb_tempscore vulnerability_cvss3_meta_tempscore
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